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switch btrfs_ioctl_snap_create_transid() to fget_light()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-08-26 21:20:24 -04:00
parent 6bdf295401
commit ecd188159e
1 changed files with 7 additions and 7 deletions
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14
fs/btrfs/ioctl.c
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@ -1422,7 +1422,8 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
NULL, transid, readonly, inherit);
} else {
struct inode *src_inode;
src_file = fget(fd);
int fput_needed;
src_file = fget_light(fd, &fput_needed);
if (!src_file) {
ret = -EINVAL;
goto out_drop_write;
@ -1433,13 +1434,12 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
printk(KERN_INFO "btrfs: Snapshot src from "
"another FS\n");
ret = -EINVAL;
fput(src_file);
goto out_drop_write;
} else {
ret = btrfs_mksubvol(&file->f_path, name, namelen,
BTRFS_I(src_inode)->root,
transid, readonly, inherit);
}
ret = btrfs_mksubvol(&file->f_path, name, namelen,
BTRFS_I(src_inode)->root,
transid, readonly, inherit);
fput(src_file);
fput_light(src_file, fput_needed);
}
out_drop_write:
mnt_drop_write_file(file);