From affff07739392920d3d2095212c72af220481b95 Mon Sep 17 00:00:00 2001 From: Chengguang Xu Date: Fri, 26 Jan 2018 14:54:43 +0800 Subject: [PATCH] libceph: check kstrndup() return value Should check result of kstrndup() in case of memory allocation failure. Signed-off-by: Chengguang Xu Signed-off-by: Ilya Dryomov --- net/ceph/ceph_common.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 5c036d2..1e492ef 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -421,6 +421,10 @@ ceph_parse_options(char *options, const char *dev_name, opt->name = kstrndup(argstr[0].from, argstr[0].to-argstr[0].from, GFP_KERNEL); + if (!opt->name) { + err = -ENOMEM; + goto out; + } break; case Opt_secret: opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL); -- 2.7.4