drivers: net: xen-netfront: Simplify the calculation of variables

Fix the following coccicheck warnings:

./drivers/net/xen-netfront.c:1816:52-54: WARNING !A || A && B is
equivalent to !A || B.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/1612261069-13315-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 6ef2adb..cc19cd9 100644 (file)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1811,7 +1811,7 @@ static int setup_netfront(struct xenbus_device *dev,
         *  a) feature-split-event-channels == 0
         *  b) feature-split-event-channels == 1 but failed to setup
         */
-       if (!feature_split_evtchn || (feature_split_evtchn && err))
+       if (!feature_split_evtchn || err)
                err = setup_netfront_single(queue);
 
        if (err)