Messages in this thread Patch in this message | | | Subject | [PATCH 5/7] can: janz-ican3: Fix the usage of wait_for_completion_timeout | From | Chuansheng Liu <> | Date | Wed, 07 Nov 2012 01:31:37 +0800 |
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The return value of wait_for_completion_timeout() is always >= 0 with unsigned int type.
So the condition "ret < 0" or "ret >= 0" is pointless.
Signed-off-by: liu chuansheng <chuansheng.liu@intel.com> --- drivers/net/can/janz-ican3.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index 7edadee..c0bfb0a 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -1692,7 +1692,7 @@ static int ican3_get_berr_counter(const struct net_device *ndev, return ret; ret = wait_for_completion_timeout(&mod->buserror_comp, HZ); - if (ret <= 0) { + if (ret == 0) { dev_info(mod->dev, "%s timed out\n", __func__); return -ETIMEDOUT; } @@ -1718,7 +1718,7 @@ static ssize_t ican3_sysfs_show_term(struct device *dev, return ret; ret = wait_for_completion_timeout(&mod->termination_comp, HZ); - if (ret <= 0) { + if (ret == 0) { dev_info(mod->dev, "%s timed out\n", __func__); return -ETIMEDOUT; } -- 1.7.0.4
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