[PATCH] s390-ctcm: Delete unnecessary checks before the function call "channel_remove"

From: SF Markus Elfring
Date: Tue Nov 17 2015 - 14:20:28 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 17 Nov 2015 20:10:02 +0100

The channel_remove() function tests whether its argument is NULL
and then returns immediately. Thus the test around the calls is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/s390/net/ctcm_main.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 05c37d6..c3e2252 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1677,11 +1677,8 @@ static int ctcm_shutdown_device(struct ccwgroup_device *cgdev)

ccw_device_set_offline(cgdev->cdev[1]);
ccw_device_set_offline(cgdev->cdev[0]);
-
- if (priv->channel[CTCM_READ])
- channel_remove(priv->channel[CTCM_READ]);
- if (priv->channel[CTCM_WRITE])
- channel_remove(priv->channel[CTCM_WRITE]);
+ channel_remove(priv->channel[CTCM_READ]);
+ channel_remove(priv->channel[CTCM_WRITE]);
priv->channel[CTCM_READ] = priv->channel[CTCM_WRITE] = NULL;

return 0;
--
2.6.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/