tree 258ea93d39f242f658c27dc0b4d022a1304502f8
parent ce473d5b49d6ef76d35e6d00daa8c5a8fed85943
author tcharding <me@tobin.cc> 1489567683 +1100
committer Ulf Hansson <ulf.hansson@linaro.org> 1493062883 +0200

mmc: core: guard dereference of optional parameter

Various functions take as parameter an optional pointer. Pointer
should be guarded with non-NULL check before dereferencing.

Add non-NULL check before dereference of pointer.

Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>