libceph: check kstrndup() return value
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Web: https://git.kernel.org/torvalds/c/affff07739392920d3d2095212c72af220481b95 Commit: affff07739392920d3d2095212c72af220481b95 Parent: e30ee58121e34831b9665934d70dbc72ab0fe2fb Refname: refs/heads/master Author: Chengguang Xu <[email protected]> AuthorDate: Fri Jan 26 14:54:43 2018 +0800 Committer: Ilya Dryomov <[email protected]> CommitDate: Mon Jan 29 18:36:12 2018 +0100 libceph: check kstrndup() return value Should check result of kstrndup() in case of memory allocation failure. Signed-off-by: Chengguang Xu <[email protected]> Signed-off-by: Ilya Dryomov <[email protected]> --- 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 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); -- To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html