bna: integer overflow bug in debugfs

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We could allocate less memory than intended because we do:

	bnad->regdata = kzalloc(len << 2, GFP_KERNEL);

The shift can overflow leading to a crash.  This is debugfs code so the
impact is very small.

Fixes: 7afc5dbde0 ("bna: Add debugfs interface.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rasesh Mody <rasesh.mody@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Dan Carpenter 2017-03-17 23:52:35 +03:00 • committed by David S. Miller

parent 6bd845d1cf

commit 13e2d5187f

1 changed files with 1 additions and 1 deletions

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drivers/net/ethernet/brocade/bna/bnad_debugfs.c

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