diff options
Diffstat (limited to 'package/kernel/mac80211/patches/020-03-rt2x00usb-fix-anchor-initialization.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/020-03-rt2x00usb-fix-anchor-initialization.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/package/kernel/mac80211/patches/020-03-rt2x00usb-fix-anchor-initialization.patch b/package/kernel/mac80211/patches/020-03-rt2x00usb-fix-anchor-initialization.patch deleted file mode 100644 index 5ff73df2a6..0000000000 --- a/package/kernel/mac80211/patches/020-03-rt2x00usb-fix-anchor-initialization.patch +++ /dev/null @@ -1,70 +0,0 @@ -From 0488a6121dfe6cbd44de15ea3627913b7549a1e9 Mon Sep 17 00:00:00 2001 -From: Stanislaw Gruszka <sgruszka@redhat.com> -Date: Wed, 8 Feb 2017 12:18:10 +0100 -Subject: [PATCH 03/19] rt2x00usb: fix anchor initialization - -If device fail to initialize we can OOPS in rt2x00lib_remove_dev(), due -to using uninitialized usb_anchor structure: - -[ 855.435820] ieee80211 phy3: rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x1000 with error -19 -[ 855.435826] ieee80211 phy3: rt2800_probe_rt: Error - Invalid RT chipset 0x0000, rev 0000 detected -[ 855.435829] ieee80211 phy3: rt2x00lib_probe_dev: Error - Failed to allocate device -[ 855.435845] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 -[ 855.435900] IP: _raw_spin_lock_irq+0xd/0x30 -[ 855.435926] PGD 0 -[ 855.435953] Oops: 0002 [#1] SMP -<snip> -[ 855.437011] Call Trace: -[ 855.437029] ? usb_kill_anchored_urbs+0x27/0xc0 -[ 855.437061] rt2x00lib_remove_dev+0x190/0x1c0 [rt2x00lib] -[ 855.437097] rt2x00lib_probe_dev+0x246/0x7a0 [rt2x00lib] -[ 855.437149] ? ieee80211_roc_setup+0x9e/0xd0 [mac80211] -[ 855.437183] ? __kmalloc+0x1af/0x1f0 -[ 855.437207] ? rt2x00usb_probe+0x13d/0xc50 [rt2x00usb] -[ 855.437240] rt2x00usb_probe+0x155/0xc50 [rt2x00usb] -[ 855.437273] rt2800usb_probe+0x15/0x20 [rt2800usb] -[ 855.437304] usb_probe_interface+0x159/0x2d0 -[ 855.437333] driver_probe_device+0x2bb/0x460 - -Patch changes initialization sequence to fix the problem. - -Cc: Vishal Thanki <vishalthanki@gmail.com> -Fixes: 8b4c0009313f ("rt2x00usb: Use usb anchor to manage URB") -Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - drivers/net/wireless/ralink/rt2x00/rt2x00usb.c | 13 ++++++++----- - 1 file changed, 8 insertions(+), 5 deletions(-) - ---- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c -@@ -825,10 +825,6 @@ int rt2x00usb_probe(struct usb_interface - if (retval) - goto exit_free_device; - -- retval = rt2x00lib_probe_dev(rt2x00dev); -- if (retval) -- goto exit_free_reg; -- - rt2x00dev->anchor = devm_kmalloc(&usb_dev->dev, - sizeof(struct usb_anchor), - GFP_KERNEL); -@@ -836,10 +832,17 @@ int rt2x00usb_probe(struct usb_interface - retval = -ENOMEM; - goto exit_free_reg; - } -- - init_usb_anchor(rt2x00dev->anchor); -+ -+ retval = rt2x00lib_probe_dev(rt2x00dev); -+ if (retval) -+ goto exit_free_anchor; -+ - return 0; - -+exit_free_anchor: -+ usb_kill_anchored_urbs(rt2x00dev->anchor); -+ - exit_free_reg: - rt2x00usb_free_reg(rt2x00dev); - |