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authorChengguang Xu <cgxu519@icloud.com>2018-01-26 14:54:43 +0800
committerIlya Dryomov <idryomov@gmail.com>2018-01-29 18:36:12 +0100
commitaffff07739392920d3d2095212c72af220481b95 (patch)
tree87fc485fb0897e6c97e191b01f9e0885a86d2276 /net/ceph
parente30ee58121e34831b9665934d70dbc72ab0fe2fb (diff)
libceph: check kstrndup() return value
Should check result of kstrndup() in case of memory allocation failure. Signed-off-by: Chengguang Xu <cgxu519@icloud.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/ceph_common.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 5c036d2f401e..1e492ef2a33d 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);