In denali_wait_for_irq the code will either return from inside the while loop or exit with time_left being 0. The following test for time_left being 0 is guranteed to be true so remove the test and the following unreachable code.
This issue was found by Smatch. Signed-off-by: Andrew Goodbody <andrew.goodb...@linaro.org> --- drivers/mtd/nand/raw/denali.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index b2401116689..39cb641e0b3 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -173,13 +173,9 @@ static uint32_t denali_wait_for_irq(struct denali_nand_info *denali, time_left--; } - if (!time_left) { - dev_err(denali->dev, "timeout while waiting for irq 0x%x\n", - irq_mask); - return 0; - } - - return denali->irq_status; + dev_err(denali->dev, "timeout while waiting for irq 0x%x\n", + irq_mask); + return 0; } static uint32_t denali_check_irq(struct denali_nand_info *denali) -- 2.39.5