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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>
This commit is contained in:
Gustavo A. R. Silva 2018-07-18 23:14:17 -05:00 committed by David S. Miller
parent d1afdc5139
commit baa2d2b17e
1 changed files with 1 additions and 1 deletions
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2
net/sched/cls_api.c
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@ -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);