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>
This commit is contained in:
Chengguang Xu 2018-01-26 14:54:43 +08:00 committed by Ilya Dryomov
parent e30ee58121
commit affff07739

View File

@ -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);