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iio: core: fix ptr_ret.cocci warnings

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drivers/iio/industrialio-sw-trigger.c:169:1-3: WARNING: PTR_ERR_OR_ZERO can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Fengguang Wu <[email protected]>
Cc: Joel Becker <[email protected]>
Cc: Lars-Peter Clausen <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Hartmut Knaack <[email protected]>
Cc: Octavian Purdila <[email protected]>
Cc: Paul Bolle <[email protected]>
Cc: Adriana Reus <[email protected]>
Cc: Daniel Baluta <[email protected]>
Cc: Cristina Opriceana <[email protected]>
Cc: Peter Meerwald <[email protected]>
Cc: Alexander Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Fengguang Wu 2016-01-20 15:01:19 -08:00 • committed by Linus Torvalds
commit f9ed89e17e
1 changed files with 1 additions and 3 deletions
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4
drivers/iio/industrialio-sw-trigger.c
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@ -167,9 +167,7 @@ static int __init iio_sw_trigger_init(void)
configfs_register_default_group(&iio_configfs_subsys.su_group,
"triggers",
&iio_triggers_group_type);
if (IS_ERR(iio_triggers_group))
return PTR_ERR(iio_triggers_group);
return 0;
return PTR_ERR_OR_ZERO(iio_triggers_group);
}
module_init(iio_sw_trigger_init);