mtd: Check add_mtd_device() ret code
authorBoris Brezillon <bbrezillon@kernel.org>
Wed, 2 Jan 2019 14:36:54 +0000 (15:36 +0100)
committerBoris Brezillon <bbrezillon@kernel.org>
Mon, 7 Jan 2019 13:06:24 +0000 (14:06 +0100)
commit2b6f0090a3335b7bdd03ca520c35591159463041
tree57f2eccaf21d13cafbb2b499639ed5546d342283
parent19e16fb4f319b84b3220e98abf726218beba8c34
mtd: Check add_mtd_device() ret code

add_mtd_device() can fail. We should always check its return value
and gracefully handle the failure case. Fix the call sites where this
not done (in mtdpart.c) and add a __must_check attribute to the
prototype to avoid this kind of mistakes.

Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
drivers/mtd/mtdcore.h
drivers/mtd/mtdpart.c