Subject: + kernel-smpc-free-related-resources-when-failure-occurs-in-hotplug_cfd.patch added to -mm tree
To: gang.chen@xxxxxxxxxxx,udknight@xxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 09 Jul 2013 15:01:32 -0700
The patch titled
Subject: kernel/smp.c: free related resources when failure occurs in hotplug_cfd()
has been added to the -mm tree. Its filename is
kernel-smpc-free-related-resources-when-failure-occurs-in-hotplug_cfd.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kernel-smpc-free-related-resources-when-failure-occurs-in-hotplug_cfd.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kernel-smpc-free-related-resources-when-failure-occurs-in-hotplug_cfd.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Chen Gang <gang.chen@xxxxxxxxxxx>
Subject: kernel/smp.c: free related resources when failure occurs in hotplug_cfd()
When failure occurs in hotplug_cfd(), need release related resources, or
will cause memory leak.
Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
Acked-by: Wang YanQing <udknight@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/smp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff -puN kernel/smp.c~kernel-smpc-free-related-resources-when-failure-occurs-in-hotplug_cfd kernel/smp.c
--- a/kernel/smp.c~kernel-smpc-free-related-resources-when-failure-occurs-in-hotplug_cfd
+++ a/kernel/smp.c
@@ -48,10 +48,13 @@ hotplug_cfd(struct notifier_block *nfb,
cpu_to_node(cpu)))
return notifier_from_errno(-ENOMEM);
if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL,
- cpu_to_node(cpu)))
+ cpu_to_node(cpu))) {
+ free_cpumask_var(cfd->cpumask);
return notifier_from_errno(-ENOMEM);
+ }
cfd->csd = alloc_percpu(struct call_single_data);
if (!cfd->csd) {
+ free_cpumask_var(cfd->cpumask_ipi);
free_cpumask_var(cfd->cpumask);
return notifier_from_errno(-ENOMEM);
}
_
Patches currently in -mm which might be from gang.chen@xxxxxxxxxxx are
origin.patch
kernel-auditfilterc-fix-leak-in-audit_add_rule-error-path.patch
linux-next.patch
include-linux-interrupth-add-dummy-irq_set_irq_wake-for-generic_hardirqs.patch
kernel-smpc-free-related-resources-when-failure-occurs-in-hotplug_cfd.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
