A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 02:32:09 -04:00
Code Issues Projects Releases Packages Wiki Activity

memcg: null dereference on allocation failure

Browse source 
The original code had a null dereference if alloc_percpu() failed.  This
was introduced in commit 711d3d2c9b ("memcg: cpu hotplug aware percpu
count updates")

Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Balbir Singh <[email protected]>
Acked-by: KAMEZAWA Hiroyuki <[email protected]>
Acked-by: Daisuke Nishimura <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Dan Carpenter 2010-11-11 14:05:12 -08:00 • committed by Linus Torvalds
commit d2e61b8dc9
1 changed files with 9 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

16
mm/memcontrol.c
View file

@ -4208,15 +4208,17 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
memset(mem, 0, size);
mem->stat = alloc_percpu(struct mem_cgroup_stat_cpu);
if (!mem->stat) {
if (size < PAGE_SIZE)
kfree(mem);
else
vfree(mem);
mem = NULL;
}
if (!mem->stat)
goto out_free;
spin_lock_init(&mem->pcp_counter_lock);
return mem;
out_free:
if (size < PAGE_SIZE)
kfree(mem);
else
vfree(mem);
return NULL;
}
/*