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| author | Ben Collins <bcollins@debian.org> | 2006-01-08 01:03:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:13:54 -0800 |
| commit | 676121fcb66c861804e38d94214fd5670a1ef595 (patch) | |
| tree | 7b0f9d34efd5e1cb9b6b595aedcd9419942b5055 /kernel/workqueue.c | |
| parent | 9fa37fd1627ec804e57ae0388555719b03b39f20 (diff) | |
| download | lwn-676121fcb66c861804e38d94214fd5670a1ef595.tar.gz lwn-676121fcb66c861804e38d94214fd5670a1ef595.zip | |
[PATCH] Unchecked alloc_percpu() return in __create_workqueue()
__create_workqueue() not checking return of alloc_percpu()
NULL dereference was possible.
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 62d47220696a..e72fb6478da6 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -315,6 +315,11 @@ struct workqueue_struct *__create_workqueue(const char *name, return NULL; wq->cpu_wq = alloc_percpu(struct cpu_workqueue_struct); + if (!wq->cpu_wq) { + kfree(wq); + return NULL; + } + wq->name = name; /* We don't need the distraction of CPUs appearing and vanishing. */ lock_cpu_hotplug(); |