]> git.baikalelectronics.ru Git - kernel.git/commit
libertas: Add spinlock to avoid race condition
authorPavel Andrianov <andrianov@ispras.ru>
Wed, 15 Jun 2016 11:34:03 +0000 (15:34 +0400)
committerKalle Valo <kvalo@codeaurora.org>
Wed, 29 Jun 2016 15:46:56 +0000 (18:46 +0300)
commit30f484d59ae77fb47a7ffbca3636166f3ff2de99
tree18e3a9e1f0401363f9c70b817965e505f9710d7d
parent5e9cecb18130dd2b49d956b4687f0851a947b27e
libertas: Add spinlock to avoid race condition

lbs_mac_event_disconnected may free priv->currenttxskb
while lbs_hard_start_xmit accesses to it.
The patch adds a spinlock for mutual exclusion.

Tested on OLPC XO-1 (usb8388) and XO-1.5 (sd8686) with v4.7-rc3.

Confirmed that lbs_mac_event_disconnected is being called on the
station when hostapd on access point is given SIGHUP.

Signed-off-by: Pavel <andrianov@ispras.ru>
Tested-by: James Cameron <quozl@laptop.org>
Acked-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/marvell/libertas/cmdresp.c