From: Jinshan Xiong <[email protected]>

In error handling path of ll_lease_open(), och has already been
freed in ll_close_inode_openhandle() so the sequence of cancel
open lock and close open handle need adjusting.

Lustre-change: http://review.whamcloud.com/7346
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3647
Signed-off-by: Jinshan Xiong <[email protected]>
Reviewed-by: John L. Hammond <[email protected]>
Reviewed-by: Oleg Drokin <[email protected]>
Signed-off-by: Peng Tao <[email protected]>
Signed-off-by: Andreas Dilger <[email protected]>
---
 drivers/staging/lustre/lustre/llite/file.c |   18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/file.c 
b/drivers/staging/lustre/lustre/llite/file.c
index 390bea5..a2a9844 100644
--- a/drivers/staging/lustre/lustre/llite/file.c
+++ b/drivers/staging/lustre/lustre/llite/file.c
@@ -847,20 +847,24 @@ struct obd_client_handle *ll_lease_open(struct inode 
*inode, struct file *file,
        return och;
 
 out_close:
-       rc2 = ll_close_inode_openhandle(sbi->ll_md_exp, inode, och, NULL);
-       if (rc2)
-               CERROR("Close openhandle returned %d\n", rc2);
-
-       /* cancel open lock */
+       /* Cancel open lock */
        if (it.d.lustre.it_lock_mode != 0) {
                ldlm_lock_decref_and_cancel(&och->och_lease_handle,
-                                               it.d.lustre.it_lock_mode);
+                                           it.d.lustre.it_lock_mode);
                it.d.lustre.it_lock_mode = 0;
+               och->och_lease_handle.cookie = 0ULL;
        }
+       rc2 = ll_close_inode_openhandle(sbi->ll_md_exp, inode, och, NULL);
+       if (rc2 < 0)
+               CERROR("%s: error closing file "DFID": %d\n",
+                      ll_get_fsname(inode->i_sb, NULL, 0),
+                      PFID(&ll_i2info(inode)->lli_fid), rc2);
+       och = NULL; /* och has been freed in ll_close_inode_openhandle() */
 out_release_it:
        ll_intent_release(&it);
 out:
-       OBD_FREE_PTR(och);
+       if (och != NULL)
+               OBD_FREE_PTR(och);
        return ERR_PTR(rc);
 }
 EXPORT_SYMBOL(ll_lease_open);
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to