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

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

fs/jffs2/malloc.c

+4 −0
Original line number Diff line number Diff line
@@ -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;