linux-kernel - [PATCH] fs/cifs: fix gcc warning in sid_to

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Message-Id: <1583307771-16365-1-git-send-email-hqjagain@gmail.com>
Date:   Wed,  4 Mar 2020 15:42:51 +0800
From:   Qiujun Huang <hqjagain@...il.com>
To:     sfrench@...ba.org
Cc:     linux-cifs@...r.kernel.org, linux-kernel@...r.kernel.org,
        smfrench@...il.com, Qiujun Huang <hqjagain@...il.com>
Subject: [PATCH] fs/cifs: fix gcc warning in sid_to_id

fix warning [-Wunused-but-set-variable] at variable 'rc',
keeping the code readable.

Signed-off-by: Qiujun Huang <hqjagain@...il.com>
---
 fs/cifs/cifsacl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 716574a..ae42163 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -342,7 +342,7 @@
 sid_to_id(struct cifs_sb_info *cifs_sb, struct cifs_sid *psid,
 		struct cifs_fattr *fattr, uint sidtype)
 {
-	int rc;
+	int rc = 0;
 	struct key *sidkey;
 	char *sidstr;
 	const struct cred *saved_cred;
@@ -450,11 +450,12 @@
 	 * fails then we just fall back to using the mnt_uid/mnt_gid.
 	 */
 got_valid_id:
+	rc = 0;
 	if (sidtype == SIDOWNER)
 		fattr->cf_uid = fuid;
 	else
 		fattr->cf_gid = fgid;
-	return 0;
+	return rc;
 }
 
 int
-- 
1.8.3.1