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authorAtul Kumar Pant <atulpant.linux@gmail.com>2023-08-07 15:18:34 +0300
committerIngo Molnar <mingo@kernel.org>2023-10-03 11:11:25 +0300
commit8788c6c2feb3600ba1a2f84ac5d258af4a284cea (patch)
tree03b14651e78537ceaf9c3c01cbfd154df3dafc4e /kernel/locking
parentcfa92b6d52071aaa8f27d21affdcb14e7448fbc1 (diff)
downloadlinux-8788c6c2feb3600ba1a2f84ac5d258af4a284cea.tar.xz
locking/debug: Fix debugfs API return value checks to use IS_ERR()
Update the checking of return values from debugfs_create_file() and debugfs_create_dir() to use IS_ERR(). Signed-off-by: Atul Kumar Pant <atulpant.linux@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Waiman Long <longman@redhat.com> Link: https://lore.kernel.org/r/20230807121834.7438-1-atulpant.linux@gmail.com
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/lock_events.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/locking/lock_events.c b/kernel/locking/lock_events.c
index fa2c2f951c6b..e68d82099558 100644
--- a/kernel/locking/lock_events.c
+++ b/kernel/locking/lock_events.c
@@ -146,7 +146,7 @@ static int __init init_lockevent_counts(void)
struct dentry *d_counts = debugfs_create_dir(LOCK_EVENTS_DIR, NULL);
int i;
- if (!d_counts)
+ if (IS_ERR(d_counts))
goto out;
/*
@@ -159,14 +159,14 @@ static int __init init_lockevent_counts(void)
for (i = 0; i < lockevent_num; i++) {
if (skip_lockevent(lockevent_names[i]))
continue;
- if (!debugfs_create_file(lockevent_names[i], 0400, d_counts,
- (void *)(long)i, &fops_lockevent))
+ if (IS_ERR(debugfs_create_file(lockevent_names[i], 0400, d_counts,
+ (void *)(long)i, &fops_lockevent)))
goto fail_undo;
}
- if (!debugfs_create_file(lockevent_names[LOCKEVENT_reset_cnts], 0200,
+ if (IS_ERR(debugfs_create_file(lockevent_names[LOCKEVENT_reset_cnts], 0200,
d_counts, (void *)(long)LOCKEVENT_reset_cnts,
- &fops_lockevent))
+ &fops_lockevent)))
goto fail_undo;
return 0;