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authorYan, Zheng <zyan@redhat.com>2014-12-10 11:17:31 +0300
committerIlya Dryomov <idryomov@redhat.com>2014-12-17 20:09:53 +0300
commit275dd19ea4e84c34f985ba097f9cddb539f54a50 (patch)
tree2006c149b55ade7a1466bc82882433448191ba38 /fs
parent021b77bee210843bed1ea91b5cad58235ff9c8e5 (diff)
downloadlinux-275dd19ea4e84c34f985ba097f9cddb539f54a50.tar.xz
ceph: fix mksnap crash
mksnap reply only contain 'target', does not contain 'dentry'. So it's wrong to use req->r_reply_info.head->is_dentry to detect traceless reply. Signed-off-by: Yan, Zheng <zyan@redhat.com> Reviewed-by: Sage Weil <sage@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/dir.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 652619950fa9..fcfd0abc8c38 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -812,7 +812,9 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
acls.pagelist = NULL;
}
err = ceph_mdsc_do_request(mdsc, dir, req);
- if (!err && !req->r_reply_info.head->is_dentry)
+ if (!err &&
+ !req->r_reply_info.head->is_target &&
+ !req->r_reply_info.head->is_dentry)
err = ceph_handle_notrace_create(dir, dentry);
ceph_mdsc_put_request(req);
out: