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

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@users.sourceforge.net>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Markus Elfring 2015-12-11 12:27:53 +01:00 committed by David S. Miller
parent f0c59aff88
commit e043046a5a
1 changed files with 2 additions and 5 deletions
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7
drivers/s390/net/ctcm_main.c
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@ -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;