Commit 2072552c authored by Zhouyi Zhou's avatar Zhouyi Zhou Committed by Brian Norris

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: default avatarZhouyi Zhou <yizhouzhou@ict.ac.cn>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent 20171642
...@@ -288,6 +288,8 @@ struct jffs2_xattr_datum *jffs2_alloc_xattr_datum(void) ...@@ -288,6 +288,8 @@ struct jffs2_xattr_datum *jffs2_alloc_xattr_datum(void)
struct jffs2_xattr_datum *xd; struct jffs2_xattr_datum *xd;
xd = kmem_cache_zalloc(xattr_datum_cache, GFP_KERNEL); xd = kmem_cache_zalloc(xattr_datum_cache, GFP_KERNEL);
dbg_memalloc("%p\n", xd); dbg_memalloc("%p\n", xd);
if (!xd)
return NULL;
xd->class = RAWNODE_CLASS_XATTR_DATUM; xd->class = RAWNODE_CLASS_XATTR_DATUM;
xd->node = (void *)xd; xd->node = (void *)xd;
...@@ -306,6 +308,8 @@ struct jffs2_xattr_ref *jffs2_alloc_xattr_ref(void) ...@@ -306,6 +308,8 @@ struct jffs2_xattr_ref *jffs2_alloc_xattr_ref(void)
struct jffs2_xattr_ref *ref; struct jffs2_xattr_ref *ref;
ref = kmem_cache_zalloc(xattr_ref_cache, GFP_KERNEL); ref = kmem_cache_zalloc(xattr_ref_cache, GFP_KERNEL);
dbg_memalloc("%p\n", ref); dbg_memalloc("%p\n", ref);
if (!ref)
return NULL;
ref->class = RAWNODE_CLASS_XATTR_REF; ref->class = RAWNODE_CLASS_XATTR_REF;
ref->node = (void *)ref; ref->node = (void *)ref;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment