Commit b3885bd6 authored by Hirofumi Nakagawa's avatar Hirofumi Nakagawa Committed by Miklos Szeredi
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ovl: add NULL check in ovl_alloc_inode 



This was detected by fault injection test

Signed-off-by: default avatarHirofumi Nakagawa <nklabs@gmail.com>
Fixes: 13cf199d ("ovl: allocate an ovl_inode struct")
Cc: <stable@vger.kernel.org> # v4.13
parent 33d930e5

fs/overlayfs/super.c

+3 −0
Original line number Diff line number Diff line
@@ -174,6 +174,9 @@ static struct inode *ovl_alloc_inode(struct super_block *sb) 
{

	struct ovl_inode *oi = kmem_cache_alloc(ovl_inode_cachep, GFP_KERNEL);



	if (!oi)

		return NULL;



	oi->cache = NULL;

	oi->redirect = NULL;

	oi->version = 0;