staging: rtl8188eu: prevent an underflow in rtw_check_beacon_data()

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commit 784047eb2d upstream.

The "len" could be as low as -14 so we should check for negatives.

Fixes: 9a7fe54ddc ("staging: r8188eu: Add source files for new driver - part 1")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Dan Carpenter 2017-04-22 13:47:23 +03:00 • committed by Greg Kroah-Hartman

parent ed13a9c646

commit 773fdcdc09

1 changed files with 1 additions and 1 deletions

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drivers/staging/rtl8188eu/core/rtw_ap.c

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