Commit ab67b7c1 authored by Yan Zheng's avatar Yan Zheng Committed by Chris Mason
Browse files

Btrfs: Add missing mnt_drop_write in ioctl.c 



This patch adds the missing mnt_drop_write to match
mnt_want_write in btrfs_ioctl_defrag and btrfs_ioctl_clone

Signed-off-by: default avatarYan Zheng <zheng.yan@oracle.com>
parent b16281c3

fs/btrfs/ioctl.c

+7 −2
Original line number Diff line number Diff line
@@ -646,6 +646,7 @@ static int btrfs_ioctl_defrag(struct file *file) 
		break;

	}



	mnt_drop_write(file->f_path.mnt);

	return 0;

}
@@ -730,8 +731,10 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, 
		return ret;



	src_file = fget(srcfd);

	if (!src_file)

		return -EBADF;

	if (!src_file) {

		ret = -EBADF;

		goto out_drop_write;

	}

	src = src_file->f_dentry->d_inode;



	ret = -EINVAL;
@@ -982,6 +985,8 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, 
	btrfs_free_path(path);

out_fput:

	fput(src_file);

out_drop_write:

	mnt_drop_write(file->f_path.mnt);

	return ret;

}