The patch titled
Subject: smpboot: fix memory leak on error handling
has been added to the -mm tree. Its filename is
smpboot-fix-memory-leak-on-error-handling.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/smpboot-fix-memory-leak-on-error-handling.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/smpboot-fix-memory-leak-on-error-handling.patch
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------------------------------------------------------
From: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Subject: 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@xxxxxxxxx>
Reviewed-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Cc: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ulrich Obergfell <uobergfe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/smpboot.c | 1 +
1 file changed, 1 insertion(+)
diff -puN kernel/smpboot.c~smpboot-fix-memory-leak-on-error-handling kernel/smpboot.c
--- a/kernel/smpboot.c~smpboot-fix-memory-leak-on-error-handling
+++ a/kernel/smpboot.c
@@ -301,6 +301,7 @@ int smpboot_register_percpu_thread(struc
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);
_
Patches currently in -mm which might be from fweisbec@xxxxxxxxx are
smpboot-fix-memory-leak-on-error-handling.patch
smpboot-make-cleanup-to-mirror-setup.patch
smpboot-allow-to-pass-the-cpumask-on-per-cpu-thread-registration.patch
watchdog-simplify-housekeeping-affinity-with-the-appropriate-mask.patch
linux-next.patch
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