net: sched: use PTR_ERR_OR_ZERO macro in tcf_block_cb_register

This line makes up what macro PTR_ERR_OR_ZERO already does. So,
make use of PTR_ERR_OR_ZERO rather than an open-code version.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 623fe2cfe52923ef25ddfe16203f90da575d9558..620067209ba84057dc316e2c49fd3d3c51565987 100644 (file)
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -818,7 +818,7 @@ int tcf_block_cb_register(struct tcf_block *block,
 
        block_cb = __tcf_block_cb_register(block, cb, cb_ident, cb_priv,
                                           extack);
-       return IS_ERR(block_cb) ? PTR_ERR(block_cb) : 0;
+       return PTR_ERR_OR_ZERO(block_cb);
 }
 EXPORT_SYMBOL(tcf_block_cb_register);