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Subject: media: fimc-is: use 'time_left' variable with wait_event_timeout() Author: Wolfram Sang <wsa+rene...@sang-engineering.com> Date: Mon Aug 5 23:51:17 2024 +0200 There is a confusing pattern in the kernel to use a variable named 'timeout' to store the result of wait_event_timeout() causing patterns like: timeout = wait_event_timeout(...) if (!timeout) return -ETIMEDOUT; with all kinds of permutations. Use 'time_left' as a variable to make the code self explaining. Fix to the proper variable type 'long' while here. Signed-off-by: Wolfram Sang <wsa+rene...@sang-engineering.com> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> drivers/media/platform/samsung/exynos4-is/fimc-core.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) --- diff --git a/drivers/media/platform/samsung/exynos4-is/fimc-core.c b/drivers/media/platform/samsung/exynos4-is/fimc-core.c index aae74b501a42..adfc2d73d04b 100644 --- a/drivers/media/platform/samsung/exynos4-is/fimc-core.c +++ b/drivers/media/platform/samsung/exynos4-is/fimc-core.c @@ -822,7 +822,7 @@ err: static int fimc_m2m_suspend(struct fimc_dev *fimc) { unsigned long flags; - int timeout; + long time_left; spin_lock_irqsave(&fimc->slock, flags); if (!fimc_m2m_pending(fimc)) { @@ -833,12 +833,12 @@ static int fimc_m2m_suspend(struct fimc_dev *fimc) set_bit(ST_M2M_SUSPENDING, &fimc->state); spin_unlock_irqrestore(&fimc->slock, flags); - timeout = wait_event_timeout(fimc->irq_queue, - test_bit(ST_M2M_SUSPENDED, &fimc->state), - FIMC_SHUTDOWN_TIMEOUT); + time_left = wait_event_timeout(fimc->irq_queue, + test_bit(ST_M2M_SUSPENDED, &fimc->state), + FIMC_SHUTDOWN_TIMEOUT); clear_bit(ST_M2M_SUSPENDING, &fimc->state); - return timeout == 0 ? -EAGAIN : 0; + return time_left == 0 ? -EAGAIN : 0; } static int fimc_m2m_resume(struct fimc_dev *fimc)