mwifiex: pcie: tighten a check in mwifiex_pcie_process_event_ready()

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commit 01eca28428 upstream.

If "evt_len" is 1 then we try to memcpy() negative 3 bytes and it would
cause memory corruption.

Fixes: d930faee14 ("mwifiex: add support for Marvell pcie8766 chipset")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Dan Carpenter 2018-04-05 14:17:19 +03:00 • committed by Ben Hutchings

parent 9447dabf5e

commit 78100750ec

1 changed files with 2 additions and 1 deletions

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drivers/net/wireless/mwifiex/pcie.c

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