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authorGao Xiang <hsiangkao@redhat.com>2020-08-11 15:00:20 +0800
committerGao Xiang <hsiangkao@redhat.com>2020-09-18 22:11:13 +0800
commitd578b46db69d125a654f509bdc9091d84e924dc8 (patch)
tree0d21178a564d48eb191a9a43aa1747ea4e2d174a /fs/erofs
parent856deb866d16e29bd65952e0289066f6078af773 (diff)
downloadlinux-d578b46db69d125a654f509bdc9091d84e924dc8.tar.bz2
erofs: avoid duplicated permission check for "trusted." xattrs
Don't recheck it since xattr_permission() already checks CAP_SYS_ADMIN capability. Just follow 5d3ce4f70172 ("f2fs: avoid duplicated permission check for "trusted." xattrs") Reported-by: Hongyu Jin <hongyu.jin@unisoc.com> [ Gao Xiang: since it could cause some complex Android overlay permission issue as well on android-5.4+, it'd be better to backport to 5.4+ rather than pure cleanup on mainline. ] Cc: <stable@vger.kernel.org> # 5.4+ Link: https://lore.kernel.org/r/20200811070020.6339-1-hsiangkao@redhat.com Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Diffstat (limited to 'fs/erofs')
-rw-r--r--fs/erofs/xattr.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index c8c381eadcd6..5bde77d70852 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -473,8 +473,6 @@ static int erofs_xattr_generic_get(const struct xattr_handler *handler,
return -EOPNOTSUPP;
break;
case EROFS_XATTR_INDEX_TRUSTED:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
break;
case EROFS_XATTR_INDEX_SECURITY:
break;