[PATCH] bridge: Use PTR_ERR_OR_ZERO instead if(IS_ERR(...)) + PTR_ERR

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coccicheck suggested using PTR_ERR_OR_ZERO() and looking at the code.

Fix the following coccicheck warnings:

./net/bridge/br_multicast.c:1295:7-13: WARNING: PTR_ERR_OR_ZERO can be
used.

Reported-by: Abaci <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@xxxxxxxxxxxxxxxxx>
---
 net/bridge/br_multicast.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 257ac4e..2229d10 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1292,7 +1292,7 @@ static int br_multicast_add_group(struct net_bridge *br,
 	pg = __br_multicast_add_group(br, port, group, src, filter_mode,
 				      igmpv2_mldv1, false);
 	/* NULL is considered valid for host joined groups */
-	err = IS_ERR(pg) ? PTR_ERR(pg) : 0;
+	err = PTR_ERR_OR_ZERO(pg);
 	spin_unlock(&br->multicast_lock);
 
 	return err;
-- 
1.8.3.1




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