GFS2: replace kmalloc - __vmalloc / memset 0

Use kzalloc and __vmalloc __GFP_ZERO for clean sd_quota_bitmap allocation.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 8bec0e3192dd..a5cccf694e3f 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1242,14 +1242,13 @@ int gfs2_quota_init(struct gfs2_sbd *sdp)
         bm_size = DIV_ROUND_UP(sdp->sd_quota_slots, 8 * sizeof(unsigned long));
         bm_size *= sizeof(unsigned long);
         error = -ENOMEM;
-        sdp->sd_quota_bitmap = kmalloc(bm_size, GFP_NOFS|__GFP_NOWARN);
+        sdp->sd_quota_bitmap = kzalloc(bm_size, GFP_NOFS | __GFP_NOWARN);
         if (sdp->sd_quota_bitmap == NULL)
-                sdp->sd_quota_bitmap = __vmalloc(bm_size, GFP_NOFS, PAGE_KERNEL);
+                sdp->sd_quota_bitmap = __vmalloc(bm_size, GFP_NOFS |
+                                                 __GFP_ZERO, PAGE_KERNEL);
         if (!sdp->sd_quota_bitmap)
                 return error;
 
-        memset(sdp->sd_quota_bitmap, 0, bm_size);
-
         for (x = 0; x < blocks; x++) {
                 struct buffer_head *bh;
                 const struct gfs2_quota_change *qc;