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authorCurt Wohlgemuth <curtw@google.com>2010-04-03 17:44:16 -0400
committerTheodore Ts'o <tytso@mit.edu>2010-04-03 17:44:16 -0400
commitfd2dd9fbaf9e498ec63eef298921e36556f7214c (patch)
treefddd099cf65844f2d7d3498e25f83ec4c55fac52 /fs/ext4
parent8b472d739b2ddd8ab7fb278874f696cd95b25a5e (diff)
ext4: Fix buffer head leaks after calls to ext4_get_inode_loc()
Calls to ext4_get_inode_loc() returns with a reference to a buffer head in iloc->bh. The callers of this function in ext4_write_inode() when in no journal mode and in ext4_xattr_fiemap() don't release the buffer head after using it. Addresses-Google-Bug: #2548165 Signed-off-by: Curt Wohlgemuth <curtw@google.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/extents.c1
-rw-r--r--fs/ext4/inode.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 94c8ee81f5e..236b834b4ca 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3879,6 +3879,7 @@ static int ext4_xattr_fiemap(struct inode *inode,
physical += offset;
length = EXT4_SB(inode->i_sb)->s_inode_size - offset;
flags |= FIEMAP_EXTENT_DATA_INLINE;
+ brelse(iloc.bh);
} else { /* external block */
physical = EXT4_I(inode)->i_file_acl << blockbits;
length = inode->i_sb->s_blocksize;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 87e3c70d069..ba1eee847e3 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5385,6 +5385,7 @@ int ext4_write_inode(struct inode *inode, struct writeback_control *wbc)
(unsigned long long)iloc.bh->b_blocknr);
err = -EIO;
}
+ brelse(iloc.bh);
}
return err;
}