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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2015-09-04 15:45:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-04 16:54:41 -0700 |
| commit | 5869b5064b0950afc447610c0f5d4134b71d9e94 (patch) | |
| tree | c2322eaf65bb956b063dd2712caab6b2347db169 /kernel/smpboot.c | |
| parent | a068acf2ee77693e0bf39d6e07139ba704f461c3 (diff) | |
| download | lwn-5869b5064b0950afc447610c0f5d4134b71d9e94.tar.gz lwn-5869b5064b0950afc447610c0f5d4134b71d9e94.zip | |
smpboot: fix memory leak on error handling
The cpumask is allocated before threads get created. If the latter step
fails, we need to free the cpumask.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Reviewed-by: Chris Metcalf <cmetcalf@ezchip.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/smpboot.c')
| -rw-r--r-- | kernel/smpboot.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/smpboot.c b/kernel/smpboot.c index 7c434c39f02a..71aa90b69f8f 100644 --- a/kernel/smpboot.c +++ b/kernel/smpboot.c @@ -301,6 +301,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread) ret = __smpboot_create_thread(plug_thread, cpu); if (ret) { smpboot_destroy_threads(plug_thread); + free_cpumask_var(plug_thread->cpumask); goto out; } smpboot_unpark_thread(plug_thread, cpu); |