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gnu: linux-libre: Fix regression with Atheros 9271.
* gnu/packages/patches/linux-libre-fix-atheros-9271.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/linux.scm (%linux-libre-fix-atheros-9271-patch): New variable. (linux-libre-4.4-source, linux-libre-4.9-source) (linux-libre-4.14-source, linux-libre-4.19-source) (linux-libre-5.4-source, linux-libre-5.7-source): Add the patch.
This commit is contained in:
parent
1e8b8dcf55
commit
3f4f077051
3 changed files with 240 additions and 5 deletions
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@ -1238,6 +1238,7 @@ dist_patch_DATA = \
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%D%/packages/patches/lierolibre-try-building-other-arch.patch \
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%D%/packages/patches/linkchecker-tests-require-network.patch \
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%D%/packages/patches/linphoneqt-tabbutton.patch \
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%D%/packages/patches/linux-libre-fix-atheros-9271.patch \
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%D%/packages/patches/linux-libre-support-for-Pinebook-Pro.patch \
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%D%/packages/patches/linux-pam-no-setfsuid.patch \
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%D%/packages/patches/lirc-localstatedir.patch \
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@ -443,6 +443,9 @@ (define %linux-libre-arm-export-__sync_icache_dcache-patch
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(sha256
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(base32 "1ifnfhpakzffn4b8n7x7w5cps9mzjxlkcfz9zqak2vaw8nzvl39f"))))
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(define %linux-libre-fix-atheros-9271-patch
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(search-patch "linux-libre-fix-atheros-9271.patch"))
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(define (source-with-patches source patches)
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(origin
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(inherit source)
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@ -452,12 +455,14 @@ (define (source-with-patches source patches)
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(define-public linux-libre-5.7-source
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(source-with-patches linux-libre-5.7-pristine-source
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(list %boot-logo-patch
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%linux-libre-arm-export-__sync_icache_dcache-patch)))
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%linux-libre-arm-export-__sync_icache_dcache-patch
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%linux-libre-fix-atheros-9271-patch)))
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(define-public linux-libre-5.4-source
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(source-with-patches linux-libre-5.4-pristine-source
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(list %boot-logo-patch
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%linux-libre-arm-export-__sync_icache_dcache-patch
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%linux-libre-fix-atheros-9271-patch
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;; Pinebook Pro patch from linux-next,
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;; can be dropped for linux-libre 5.7
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(search-patch
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@ -466,19 +471,23 @@ (define-public linux-libre-5.4-source
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(define-public linux-libre-4.19-source
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(source-with-patches linux-libre-4.19-pristine-source
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(list %boot-logo-patch
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%linux-libre-arm-export-__sync_icache_dcache-patch)))
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%linux-libre-arm-export-__sync_icache_dcache-patch
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%linux-libre-fix-atheros-9271-patch)))
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(define-public linux-libre-4.14-source
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(source-with-patches linux-libre-4.14-pristine-source
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(list %boot-logo-patch)))
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(list %boot-logo-patch
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%linux-libre-fix-atheros-9271-patch)))
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(define-public linux-libre-4.9-source
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(source-with-patches linux-libre-4.9-pristine-source
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(list %boot-logo-patch)))
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(list %boot-logo-patch
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%linux-libre-fix-atheros-9271-patch)))
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(define-public linux-libre-4.4-source
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(source-with-patches linux-libre-4.4-pristine-source
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(list %boot-logo-patch)))
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(list %boot-logo-patch
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%linux-libre-fix-atheros-9271-patch)))
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;;;
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225
gnu/packages/patches/linux-libre-fix-atheros-9271.patch
Normal file
225
gnu/packages/patches/linux-libre-fix-atheros-9271.patch
Normal file
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@ -0,0 +1,225 @@
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Revert the following upstream commit, which broke Atheros 9271 support.
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See:
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https://bugzilla.kernel.org/show_bug.cgi?id=208251
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https://bugzilla.redhat.com/show_bug.cgi?id=1848631
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From b5c8896bc14f54e5c4dd5a6e42879f125b8abd2d Mon Sep 17 00:00:00 2001
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From: Qiujun Huang <hqjagain@gmail.com>
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Date: Sat, 4 Apr 2020 12:18:38 +0800
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Subject: ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb
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commit 2bbcaaee1fcbd83272e29f31e2bb7e70d8c49e05 upstream.
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In ath9k_hif_usb_rx_cb interface number is assumed to be 0.
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usb_ifnum_to_if(urb->dev, 0)
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But it isn't always true.
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The case reported by syzbot:
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https://lore.kernel.org/linux-usb/000000000000666c9c05a1c05d12@google.com
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usb 2-1: new high-speed USB device number 2 using dummy_hcd
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usb 2-1: config 1 has an invalid interface number: 2 but max is 0
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usb 2-1: config 1 has no interface number 0
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usb 2-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice=
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1.08
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usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
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general protection fault, probably for non-canonical address
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0xdffffc0000000015: 0000 [#1] SMP KASAN
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KASAN: null-ptr-deref in range [0x00000000000000a8-0x00000000000000af]
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CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc5-syzkaller #0
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Call Trace
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__usb_hcd_giveback_urb+0x29a/0x550 drivers/usb/core/hcd.c:1650
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usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1716
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dummy_timer+0x1258/0x32ae drivers/usb/gadget/udc/dummy_hcd.c:1966
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call_timer_fn+0x195/0x6f0 kernel/time/timer.c:1404
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expire_timers kernel/time/timer.c:1449 [inline]
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__run_timers kernel/time/timer.c:1773 [inline]
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__run_timers kernel/time/timer.c:1740 [inline]
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run_timer_softirq+0x5f9/0x1500 kernel/time/timer.c:1786
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__do_softirq+0x21e/0x950 kernel/softirq.c:292
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invoke_softirq kernel/softirq.c:373 [inline]
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irq_exit+0x178/0x1a0 kernel/softirq.c:413
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exiting_irq arch/x86/include/asm/apic.h:546 [inline]
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smp_apic_timer_interrupt+0x141/0x540 arch/x86/kernel/apic/apic.c:1146
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apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
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Reported-and-tested-by: syzbot+40d5d2e8a4680952f042@syzkaller.appspotmail.com
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Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Link: https://lore.kernel.org/r/20200404041838.10426-6-hqjagain@gmail.com
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/net/wireless/ath/ath9k/hif_usb.c | 48 ++++++++++++++++++++++++--------
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drivers/net/wireless/ath/ath9k/hif_usb.h | 5 ++++
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2 files changed, 42 insertions(+), 11 deletions(-)
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diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
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index 6049d3766c64..4ed21dad6a8e 100644
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--- b/drivers/net/wireless/ath/ath9k/hif_usb.c
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+++ a/drivers/net/wireless/ath/ath9k/hif_usb.c
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@@ -643,9 +643,9 @@
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static void ath9k_hif_usb_rx_cb(struct urb *urb)
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{
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- struct rx_buf *rx_buf = (struct rx_buf *)urb->context;
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- struct hif_device_usb *hif_dev = rx_buf->hif_dev;
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- struct sk_buff *skb = rx_buf->skb;
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+ struct sk_buff *skb = (struct sk_buff *) urb->context;
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+ struct hif_device_usb *hif_dev =
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+ usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
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int ret;
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if (!skb)
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@@ -685,15 +685,14 @@
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return;
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free:
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kfree_skb(skb);
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- kfree(rx_buf);
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}
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static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
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{
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- struct rx_buf *rx_buf = (struct rx_buf *)urb->context;
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- struct hif_device_usb *hif_dev = rx_buf->hif_dev;
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- struct sk_buff *skb = rx_buf->skb;
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+ struct sk_buff *skb = (struct sk_buff *) urb->context;
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struct sk_buff *nskb;
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+ struct hif_device_usb *hif_dev =
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+ usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
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int ret;
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if (!skb)
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@@ -751,7 +750,6 @@
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return;
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free:
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kfree_skb(skb);
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- kfree(rx_buf);
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urb->context = NULL;
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}
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@@ -797,7 +795,7 @@
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init_usb_anchor(&hif_dev->mgmt_submitted);
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for (i = 0; i < MAX_TX_URB_NUM; i++) {
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- tx_buf = kzalloc(sizeof(*tx_buf), GFP_KERNEL);
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+ tx_buf = kzalloc(sizeof(struct tx_buf), GFP_KERNEL);
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if (!tx_buf)
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goto err;
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@@ -834,9 +832,8 @@
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static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev)
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{
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- struct rx_buf *rx_buf = NULL;
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+ struct urb *urb = NULL;
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struct sk_buff *skb = NULL;
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- struct urb *urb = NULL;
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int i, ret;
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init_usb_anchor(&hif_dev->rx_submitted);
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@@ -844,12 +841,6 @@
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for (i = 0; i < MAX_RX_URB_NUM; i++) {
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- rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL);
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- if (!rx_buf) {
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- ret = -ENOMEM;
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- goto err_rxb;
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- }
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-
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/* Allocate URB */
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urb = usb_alloc_urb(0, GFP_KERNEL);
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if (urb == NULL) {
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@@ -864,14 +855,11 @@
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goto err_skb;
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}
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- rx_buf->hif_dev = hif_dev;
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- rx_buf->skb = skb;
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-
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usb_fill_bulk_urb(urb, hif_dev->udev,
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usb_rcvbulkpipe(hif_dev->udev,
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USB_WLAN_RX_PIPE),
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skb->data, MAX_RX_BUF_SIZE,
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- ath9k_hif_usb_rx_cb, rx_buf);
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+ ath9k_hif_usb_rx_cb, skb);
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/* Anchor URB */
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usb_anchor_urb(urb, &hif_dev->rx_submitted);
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@@ -897,8 +885,6 @@
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err_skb:
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usb_free_urb(urb);
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err_urb:
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- kfree(rx_buf);
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-err_rxb:
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ath9k_hif_usb_dealloc_rx_urbs(hif_dev);
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return ret;
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}
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@@ -910,21 +896,14 @@
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static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev)
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{
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- struct rx_buf *rx_buf = NULL;
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+ struct urb *urb = NULL;
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struct sk_buff *skb = NULL;
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- struct urb *urb = NULL;
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int i, ret;
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init_usb_anchor(&hif_dev->reg_in_submitted);
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for (i = 0; i < MAX_REG_IN_URB_NUM; i++) {
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- rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL);
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- if (!rx_buf) {
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- ret = -ENOMEM;
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- goto err_rxb;
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- }
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-
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/* Allocate URB */
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urb = usb_alloc_urb(0, GFP_KERNEL);
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if (urb == NULL) {
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@@ -939,14 +918,11 @@
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goto err_skb;
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}
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- rx_buf->hif_dev = hif_dev;
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- rx_buf->skb = skb;
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-
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usb_fill_int_urb(urb, hif_dev->udev,
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usb_rcvintpipe(hif_dev->udev,
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USB_REG_IN_PIPE),
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skb->data, MAX_REG_IN_BUF_SIZE,
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- ath9k_hif_usb_reg_in_cb, rx_buf, 1);
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+ ath9k_hif_usb_reg_in_cb, skb, 1);
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/* Anchor URB */
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usb_anchor_urb(urb, &hif_dev->reg_in_submitted);
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@@ -972,8 +948,6 @@
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err_skb:
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usb_free_urb(urb);
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err_urb:
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- kfree(rx_buf);
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-err_rxb:
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ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev);
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return ret;
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}
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diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
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index a94e7e1c86e9..5985aa15ca93 100644
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--- b/drivers/net/wireless/ath/ath9k/hif_usb.h
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+++ a/drivers/net/wireless/ath/ath9k/hif_usb.h
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@@ -86,11 +86,6 @@
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struct list_head list;
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};
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-struct rx_buf {
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- struct sk_buff *skb;
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- struct hif_device_usb *hif_dev;
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-};
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-
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#define HIF_USB_TX_STOP BIT(0)
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#define HIF_USB_TX_FLUSH BIT(1)
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+-
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cgit 1.2.3-1.el7
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