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mm: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Link: http://lkml.kernel.org/r/20190122152151.16139-14-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Cc: Laura Abbott <labbott@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-03-05 15:46:09 -08:00 • committed by Linus Torvalds
parent 0ee930e6ca
commit d9f7979c92
9 changed files with 23 additions and 63 deletions
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14
mm/failslab.c
View file

@ -48,18 +48,12 @@ static int __init failslab_debugfs_init(void)
if (IS_ERR(dir))
return PTR_ERR(dir);
if (!debugfs_create_bool("ignore-gfp-wait", mode, dir,
&failslab.ignore_gfp_reclaim))
goto fail;
if (!debugfs_create_bool("cache-filter", mode, dir,
&failslab.cache_filter))
goto fail;
debugfs_create_bool("ignore-gfp-wait", mode, dir,
&failslab.ignore_gfp_reclaim);
debugfs_create_bool("cache-filter", mode, dir,
&failslab.cache_filter);
return 0;
fail:
debugfs_remove_recursive(dir);
return -ENOMEM;
}
late_initcall(failslab_debugfs_init);