* [PATCH] JFFS2: NULL return of kmem_cache_zalloc should be handled.
@ 2013-12-02 10:37 Zhouyi Zhou
2013-12-09 19:51 ` Brian Norris
0 siblings, 1 reply; 2+ messages in thread
From: Zhouyi Zhou @ 2013-12-02 10:37 UTC (permalink / raw)
To: dwmw2, linux-mtd, linux-kernel; +Cc: Zhouyi Zhou
NULL return of kmem_cache_zalloc should be handled in jffs2_alloc_xattr_datum
and jff2_alloc_xattr_ref.
Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
---
fs/jffs2/malloc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c
index 4f47aa2..b8fd651 100644
--- a/fs/jffs2/malloc.c
+++ b/fs/jffs2/malloc.c
@@ -288,6 +288,8 @@ struct jffs2_xattr_datum *jffs2_alloc_xattr_datum(void)
struct jffs2_xattr_datum *xd;
xd = kmem_cache_zalloc(xattr_datum_cache, GFP_KERNEL);
dbg_memalloc("%p\n", xd);
+ if (!xd)
+ return NULL;
xd->class = RAWNODE_CLASS_XATTR_DATUM;
xd->node = (void *)xd;
@@ -306,6 +308,8 @@ struct jffs2_xattr_ref *jffs2_alloc_xattr_ref(void)
struct jffs2_xattr_ref *ref;
ref = kmem_cache_zalloc(xattr_ref_cache, GFP_KERNEL);
dbg_memalloc("%p\n", ref);
+ if (!ref)
+ return NULL;
ref->class = RAWNODE_CLASS_XATTR_REF;
ref->node = (void *)ref;
--
1.7.10.4
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] JFFS2: NULL return of kmem_cache_zalloc should be handled.
2013-12-02 10:37 [PATCH] JFFS2: NULL return of kmem_cache_zalloc should be handled Zhouyi Zhou
@ 2013-12-09 19:51 ` Brian Norris
0 siblings, 0 replies; 2+ messages in thread
From: Brian Norris @ 2013-12-09 19:51 UTC (permalink / raw)
To: Zhouyi Zhou; +Cc: dwmw2, linux-mtd, linux-kernel, Zhouyi Zhou
On Mon, Dec 02, 2013 at 06:37:05PM +0800, Zhouyi Zhou wrote:
> NULL return of kmem_cache_zalloc should be handled in jffs2_alloc_xattr_datum
> and jff2_alloc_xattr_ref.
>
> Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
Pushed to l2-mtd.git. Thanks!
Brian
^ permalink raw reply [flat|nested] 2+ messages in thread
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2013-12-09 19:51 ` Brian Norris
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