[XFS] use NULL for pointer initialisation instead of zero-cast-to-ptr

SGI-PV: 954580
SGI-Modid: xfs-linux-melb:xfs-kern:26562a

Signed-off-by: Nathan Scott <nathans@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 1a5e3ff33efd..76813d608dea 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -458,7 +458,7 @@ nextag:
                  */
                 if (XFS_FORCED_SHUTDOWN(mp)) {
                         up_read(&mp->m_peraglock);
-                        return (xfs_buf_t *)0;
+                        return NULL;
                 }
                 agno++;
                 if (agno >= agcount)
@@ -466,7 +466,7 @@ nextag:
                 if (agno == pagno) {
                         if (flags == 0) {
                                 up_read(&mp->m_peraglock);
-                                return (xfs_buf_t *)0;
+                                return NULL;
                         }
                         flags = 0;
                 }