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btrfs: return error instead of crash when detecting unexpected type in btrfs_get_acl

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The caller of btrfs_get_acl() checks error condition so there is no
impact from this change. In practice there is no chance to get into
default case of switch statement because VFS has already checked the
type.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Chengguang Xu 2018-06-27 12:16:34 +08:00 committed by David Sterba
parent af431dcb24
commit ab3629ed86
1 changed files with 1 additions and 1 deletions
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fs/btrfs/acl.c
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@ -30,7 +30,7 @@ struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
name = XATTR_NAME_POSIX_ACL_DEFAULT;
break;
default:
BUG();
return ERR_PTR(-EINVAL);
}
size = btrfs_getxattr(inode, name, "", 0);