From 8266602033d6adc6d10cb8811c1fd694767909b0 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 1 Aug 2008 05:32:04 -0400 Subject: [PATCH] [PATCH] fix bdev leak in block_dev.c do_open() Callers expect it to drop reference to bdev on all failure exits. Signed-off-by: Al Viro --- fs/block_dev.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index dcf37cada3..e664b0b704 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -941,8 +941,10 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) * hooks: /n/, see "layering violations". */ ret = devcgroup_inode_permission(bdev->bd_inode, perm); - if (ret != 0) + if (ret != 0) { + bdput(bdev); return ret; + } ret = -ENXIO; file->f_mapping = bdev->bd_inode->i_mapping; -- 2.39.5