提交 39bf142a 编写于 作者: D Dan Carpenter 提交者: Greg Kroah-Hartman

9p: potential NULL dereference

[ Upstream commit 72ea0321088df2c41eca8cc6160c24bcceb56ac7 ]

p9_tag_alloc() is supposed to return error pointers, but we accidentally
return a NULL here.  It would cause a NULL dereference in the caller.

Link: http://lkml.kernel.org/m/20180926103934.GA14535@mwanda
Fixes: 996d5b4db4b1 ("9p: Use a slab for allocating requests")
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NDominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: NSasha Levin <sashal@kernel.org>
上级 6490cdf9
......@@ -287,7 +287,7 @@ p9_tag_alloc(struct p9_client *c, int8_t type, unsigned int max_size)
int tag;
if (!req)
return NULL;
return ERR_PTR(-ENOMEM);
if (p9_fcall_init(c, &req->tc, alloc_msize))
goto free_req;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册