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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-05 15:46:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 21:07:17 -0800
commitd9f7979c92f7b34469c1ca5d1f3add6681fd567c (patch)
treead8b342028e101065d752fe1fe18199766e289e3 /mm/cma_debug.c
parent0ee930e6cafa048c1925893d0ca89918b2814f2c (diff)
downloadlwn-d9f7979c92f7b34469c1ca5d1f3add6681fd567c.tar.gz
lwn-d9f7979c92f7b34469c1ca5d1f3add6681fd567c.zip
mm: no need to check return value of debugfs_create functions
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>
Diffstat (limited to 'mm/cma_debug.c')
-rw-r--r--mm/cma_debug.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/cma_debug.c b/mm/cma_debug.c
index ad6723e9d110..b55f28fbe831 100644
--- a/mm/cma_debug.c
+++ b/mm/cma_debug.c
@@ -191,8 +191,6 @@ static int __init cma_debugfs_init(void)
int i;
cma_debugfs_root = debugfs_create_dir("cma", NULL);
- if (!cma_debugfs_root)
- return -ENOMEM;
for (i = 0; i < cma_area_count; i++)
cma_debugfs_add_one(&cma_areas[i], i);