drivers/mtd: fix NULL pointer dereference in partition lock/unlock
Some mtd device does not support lock and unlock functions. Adding this check avoids crashing when mtd_part_lock/unlock are called for such devices. Signed-off-by: Zahari Doychev <zahari.doychev@linux.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> |
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drivers/mtd/partition.c |
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