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authorGanapathi Bhat <gbhat@marvell.com>2018-08-21 13:23:02 +0530
committerKalle Valo <kvalo@codeaurora.org>2018-08-31 18:46:53 +0300
commit33a164fa8a4c91408e0b7738f754cb1a7827c5f2 (patch)
treed7d47805dc079c3c4d6800f68197740dc79958dc /drivers/vfio
parent7bd4628c2f31c51254aa39628ecae521d00d0b90 (diff)
downloadlinux-33a164fa8a4c91408e0b7738f754cb1a7827c5f2.tar.bz2
mwifex: free rx_cmd skb in suspended state
USB suspend handler will kill the presubmitted rx_cmd URB. This triggers a call to the corresponding URB complete handler, which will free the rx_cmd skb, associated with rx_cmd URB. Due to a possible race betwen suspend handler and main thread, depicted in 'commit bfcacac6c84b ("mwifiex: do no submit URB in suspended state")', it is possible that the rx_cmd skb will fail to get freed. This causes a memory leak, since the resume handler will always allocate a new rx_cmd skb. To fix this, free the rx_cmd skb in mwifiex_usb_submit_rx_urb, if the device is in suspended state. Signed-off-by: Vidya Dharmaraju <vidyad@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/vfio')
0 files changed, 0 insertions, 0 deletions