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ceph: fail the request if the peer MDS doesn't support getvxattr op

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Just fail the request instead sending the request out, or the peer
MDS will crash.

Link: https://tracker.ceph.com/issues/56529
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Xiubo Li
2022-07-27 12:29:10 +08:00
committed by Ilya Dryomov
parent f791357330
commit 6eb06c4621
3 changed files with 17 additions and 1 deletions
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1
fs/ceph/inode.c
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@@ -2356,6 +2356,7 @@ int ceph_do_getvxattr(struct inode *inode, const char *name, void *value,
goto out;
}
req->r_feature_needed = CEPHFS_FEATURE_OP_GETVXATTR;
req->r_path2 = kstrdup(name, GFP_NOFS);
if (!req->r_path2) {
err = -ENOMEM;