linux-kernel - [PATCH 2/3] f2fs: Use in_group_or

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Date: Thu, 20 Jun 2024 11:23:34 +0800
From: Youling Tang <youling.tang@...ux.dev>
To: Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jaegeuk Kim <jaegeuk@...nel.org>,
	Chao Yu <chao@...nel.org>,
	Miklos Szeredi <miklos@...redi.hu>
Cc: Jan Kara <jack@...e.cz>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	youling.tang@...ux.dev,
	Youling Tang <tangyouling@...inos.cn>
Subject: [PATCH 2/3] f2fs: Use in_group_or_capable() helper

From: Youling Tang <tangyouling@...inos.cn>

Use the in_group_or_capable() helper function to simplify the code.

Signed-off-by: Youling Tang <tangyouling@...inos.cn>
---
 fs/f2fs/acl.c  | 3 +--
 fs/f2fs/file.c | 4 +---
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index ec2aeccb69a3..8bffdeccdbc3 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -219,8 +219,7 @@ static int f2fs_acl_update_mode(struct mnt_idmap *idmap,
 		return error;
 	if (error == 0)
 		*acl = NULL;
-	if (!vfsgid_in_group_p(i_gid_into_vfsgid(idmap, inode)) &&
-	    !capable_wrt_inode_uidgid(idmap, inode, CAP_FSETID))
+	if (!in_group_or_capable(idmap, inode, i_gid_into_vfsgid(idmap, inode)))
 		mode &= ~S_ISGID;
 	*mode_p = mode;
 	return 0;
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5c0b281a70f3..7a23434963d1 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -923,10 +923,8 @@ static void __setattr_copy(struct mnt_idmap *idmap,
 		inode_set_ctime_to_ts(inode, attr->ia_ctime);
 	if (ia_valid & ATTR_MODE) {
 		umode_t mode = attr->ia_mode;
-		vfsgid_t vfsgid = i_gid_into_vfsgid(idmap, inode);
 
-		if (!vfsgid_in_group_p(vfsgid) &&
-		    !capable_wrt_inode_uidgid(idmap, inode, CAP_FSETID))
+		if (!in_group_or_capable(idmap, inode, i_gid_into_vfsgid(idmap, inode)))
 			mode &= ~S_ISGID;
 		set_acl_inode(inode, mode);
 	}
-- 
2.34.1