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(parent: 2e7486a) | 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 07:41:24 +0000 (09:41 +0200)
commitdfcacd07bf06716cd1c77677914bb3d97161e275
tree75bdd171ab74db4211e576babc1c803b09993611tree | snapshot
parent2e7486a05b81a182c106486ba0b7b91762390103commit | 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 | history
Domain: System / Kernel;