mtd: rawnand: Fix return value check of wait_for_completion_timeout
wait_for_completion_timeout() returns unsigned long not int. It returns 0 if timed out, and positive if completed. The check for <= 0 is ambiguous and should be == 0 here indicating timeout which is the only error case. Fixes: 83738d87 ("mtd: sh_flctl: Add DMA capabilty") Signed-off-by:Miaoqian Lin <linmq006@gmail.com> Signed-off-by:
Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20220412083435.29254-1-linmq006@gmail.com
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