diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-02 16:12:14 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-08 13:35:51 +0100 |
| commit | 5f5139974c2030e0937d3ae01f17da1238281f11 (patch) | |
| tree | 046adb8a4deb4e2375338b0770543b075dad3649 /kernel | |
| parent | samples/kobject: make kobj_type structure constant (diff) | |
| download | linux-5f5139974c2030e0937d3ae01f17da1238281f11.tar.xz linux-5f5139974c2030e0937d3ae01f17da1238281f11.zip | |
kernel/time/test_udelay.c: fix memory leak with using debugfs_lookup()
When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time. To make things simpler, just
call debugfs_lookup_and_remove() instead which handles all of the logic
at once.
Link: https://lore.kernel.org/r/20230202151214.2306822-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/test_udelay.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/time/test_udelay.c b/kernel/time/test_udelay.c index 13b11eb62685..20d5df631570 100644 --- a/kernel/time/test_udelay.c +++ b/kernel/time/test_udelay.c @@ -149,7 +149,7 @@ module_init(udelay_test_init); static void __exit udelay_test_exit(void) { mutex_lock(&udelay_test_lock); - debugfs_remove(debugfs_lookup(DEBUGFS_FILENAME, NULL)); + debugfs_lookup_and_remove(DEBUGFS_FILENAME, NULL); mutex_unlock(&udelay_test_lock); } |