drivers/leds/leds-lp5521.c: avoid writing uninitialized value to LP5521_REG_OP_MODE register
If lp5521_read fails, engine_state variable is not initialized. If lp5521_read fails, we should return error. This patch fixes below warning. CC drivers/leds/leds-lp5521.o drivers/leds/leds-lp5521.c: In function 'lp5521_set_engine_mode': drivers/leds/leds-lp5521.c:168: warning: 'engine_state' may be used uninitialized in this function [akpm@linux-foundation.org: remove unneeded "ret |="] Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Samu Onkalo <samu.p.onkalo@nokia.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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