linux-kernel - [PATCH v2 3/8] erofs: simplify erofs_xattr_generic

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Message-Id: <20230330082910.125374-4-jefflexu@linux.alibaba.com>
Date:   Thu, 30 Mar 2023 16:29:05 +0800
From:   Jingbo Xu <jefflexu@...ux.alibaba.com>
To:     xiang@...nel.org, chao@...nel.org, huyue2@...lpad.com,
        linux-erofs@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/8] erofs: simplify erofs_xattr_generic_get()

erofs_xattr_generic_get() won't be called from xattr handlers other than
user/trusted/security xattr handler, and thus there's no need of extra
checking.

Signed-off-by: Jingbo Xu <jefflexu@...ux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
---
 fs/erofs/xattr.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index dc36a0c0919c..d76b74ece2e5 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -432,20 +432,9 @@ static int erofs_xattr_generic_get(const struct xattr_handler *handler,
 				   struct dentry *unused, struct inode *inode,
 				   const char *name, void *buffer, size_t size)
 {
-	struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
-
-	switch (handler->flags) {
-	case EROFS_XATTR_INDEX_USER:
-		if (!test_opt(&sbi->opt, XATTR_USER))
-			return -EOPNOTSUPP;
-		break;
-	case EROFS_XATTR_INDEX_TRUSTED:
-		break;
-	case EROFS_XATTR_INDEX_SECURITY:
-		break;
-	default:
-		return -EINVAL;
-	}
+	if (handler->flags == EROFS_XATTR_INDEX_USER &&
+	    !test_opt(&EROFS_I_SB(inode)->opt, XATTR_USER))
+		return -EOPNOTSUPP;
 
 	return erofs_getxattr(inode, handler->flags, name, buffer, size);
 }
-- 
2.19.1.6.gb485710b