libceph: fix error handling in handle_reply()

We've tried to fix the error paths in this function before, but there
is still a hidden goto in the ceph_decode_need() macro which goes to the
wrong place.  We need to release the "req" and unlock a mutex before
returning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Sage Weil <sage@inktank.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 8ec65bc11c71..3ee4a1da02cd 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1495,14 +1495,14 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
         dout("handle_reply %p tid %llu req %p result %d\n", msg, tid,
              req, result);
 
-        ceph_decode_need(&p, end, 4, bad);
+        ceph_decode_need(&p, end, 4, bad_put);
         numops = ceph_decode_32(&p);
         if (numops > CEPH_OSD_MAX_OP)
                 goto bad_put;
         if (numops != req->r_num_ops)
                 goto bad_put;
         payload_len = 0;
-        ceph_decode_need(&p, end, numops * sizeof(struct ceph_osd_op), bad);
+        ceph_decode_need(&p, end, numops * sizeof(struct ceph_osd_op), bad_put);
         for (i = 0; i < numops; i++) {
                 struct ceph_osd_op *op = p;
                 int len;
@@ -1520,7 +1520,7 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
                 goto bad_put;
         }
 
-        ceph_decode_need(&p, end, 4 + numops * 4, bad);
+        ceph_decode_need(&p, end, 4 + numops * 4, bad_put);
         retry_attempt = ceph_decode_32(&p);
         for (i = 0; i < numops; i++)
                 req->r_reply_op_result[i] = ceph_decode_32(&p);