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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2008-02-10 01:07:28 -0500
committerTheodore Ts'o <tytso@mit.edu>2008-02-10 01:07:28 -0500
commit42a10add852e6291a7544afd8a286622a3e6ae76 (patch)
tree3acf1bdd712f1a53181b1b386c4be8ab0fa58713 /fs/ext4
parentb8356c465b42c162f34b5fd4102a6c27cec36f43 (diff)
ext4: Fix null bh pointer dereference in mballoc
Repoted by Adrian Bunk <bunk@kernel.org>: The Coverity checker spotted the following NULL dereference: static int ext4_mb_mark_diskspace_used { ... if (!bitmap_bh) goto out_err; ... out_err: sb->s_dirt = 1; put_bh(bitmap_bh); ... Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/mballoc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 76e5fedc0a0..06d1f5292d3 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3069,7 +3069,7 @@ static int ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
out_err:
sb->s_dirt = 1;
- put_bh(bitmap_bh);
+ brelse(bitmap_bh);
return err;
}