LU-3470 llog: fix return value of llog_alloc_handle

llog_open() calls llog_alloc_handle() taking NULL as the error return
value. But llog_alloc_handle() returns ERR_PTR(-ENOMEM) instead when
error.

Signed-off-by: Li Xi <pkuelelixi@gmail.com>
Change-Id: Id0e9d94107776f65bf6fdaba21988bab1882d3b3
Reviewed-on: http://review.whamcloud.com/6644
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>

diff --git a/lustre/obdclass/llog.c b/lustre/obdclass/llog.c
index 9477fbb..a690233 100644 (file)
--- a/lustre/obdclass/llog.c
+++ b/lustre/obdclass/llog.c
@@ -65,7 +65,7 @@ struct llog_handle *llog_alloc_handle(void)
 
        OBD_ALLOC_PTR(loghandle);
        if (loghandle == NULL)
 
        OBD_ALLOC_PTR(loghandle);
        if (loghandle == NULL)

-               return ERR_PTR(-ENOMEM);
+               return NULL;

 
        init_rwsem(&loghandle->lgh_lock);
        spin_lock_init(&loghandle->lgh_hdr_lock);
 
        init_rwsem(&loghandle->lgh_lock);
        spin_lock_init(&loghandle->lgh_hdr_lock);