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authorZhouyi Zhou <zhouzhouyi@gmail.com>2013-12-02 18:37:05 +0800
committerBrian Norris <computersforpeace@gmail.com>2014-01-03 11:22:22 -0800
commit2072552c33c82e7f0c7adfac7965ecf40b739f1a (patch)
tree0a41b8eea90ce58e35bc92b94e7af6c544641d8f /fs/jffs2/malloc.c
parent20171642ed064815fd4372e9e8b1fedff79148f1 (diff)
downloadop-kernel-dev-2072552c33c82e7f0c7adfac7965ecf40b739f1a.zip
op-kernel-dev-2072552c33c82e7f0c7adfac7965ecf40b739f1a.tar.gz
jffs2: NULL return of kmem_cache_zalloc should be handled
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> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'fs/jffs2/malloc.c')
-rw-r--r--fs/jffs2/malloc.c4
1 files changed, 4 insertions, 0 deletions
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;
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