tree ca22e7a196d9eba407905cf239d2461f9fd94c65
parent 184ca823481c99dadd7d946e5afd4bb921eab30d
author Cathy Luo <cluo@marvell.com> 1469098824 +0530
committer Kalle Valo <kvalo@codeaurora.org> 1471525328 +0300

mwifiex: fix large amsdu packets causing firmware hang

Sometimes host prepares and downloads a large amsdu packet to firmware
which leads to a memory corruption in firmware.
The reason is __dev_alloc_skb() may allocate larger buffer than required
size. This patch solves the problem by checking "adapter->tx_buf_size"
instead of relying on skb_tailroom().

Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>