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(parent: 2c251e5) | patch
mmc: ushc: fix NULL-deref at probe
authorJohan Hovold <johan@kernel.org>
Mon, 13 Mar 2017 12:40:22 +0000 (13:40 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 Mar 2017 07:35:17 +0000 (09:35 +0200)
commitdcf879cb9ed37f4e4cb242aaa17316d6c37404dc
tree57b3ddfc7d61a13609f597a70ab9041f7c189f34tree | snapshot (tar.gz zip)
parent2c251e568e1a5dfbdab7156eaa848cd45b3cb127commit | diff
mmc: ushc: fix NULL-deref at probe

commit 181302dc7239add8ab1449c23ecab193f52ee6ab upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Fixes: 53f3a9e26ed5 ("mmc: USB SD Host Controller (USHC) driver")
Cc: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/mmc/host/ushc.c diff | blob | blame | history