[PATCH] fs/cifs/cifsacl.c: remove set but not used variables 'rc'

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Fixes gcc '-Wunused-but-set-variable' warning:

fs/cifs/cifsacl.c: In function sid_to_id:
fs/cifs/cifsacl.c:347:6: warning: variable rc set but not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: zhengbin <zhengbin13@xxxxxxxxxx>
---
 fs/cifs/cifsacl.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 1d377b7..2b34337 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -344,7 +344,6 @@ static int
 sid_to_id(struct cifs_sb_info *cifs_sb, struct cifs_sid *psid,
 		struct cifs_fattr *fattr, uint sidtype)
 {
-	int rc;
 	struct key *sidkey;
 	char *sidstr;
 	const struct cred *saved_cred;
@@ -405,7 +404,6 @@ sid_to_id(struct cifs_sb_info *cifs_sb, struct cifs_sid *psid,
 	saved_cred = override_creds(root_cred);
 	sidkey = request_key(&cifs_idmap_key_type, sidstr, "");
 	if (IS_ERR(sidkey)) {
-		rc = -EINVAL;
 		cifs_dbg(FYI, "%s: Can't map SID %s to a %cid\n",
 			 __func__, sidstr, sidtype == SIDOWNER ? 'u' : 'g');
 		goto out_revert_creds;
@@ -418,7 +416,6 @@ sid_to_id(struct cifs_sb_info *cifs_sb, struct cifs_sid *psid,
 	 */
 	BUILD_BUG_ON(sizeof(uid_t) != sizeof(gid_t));
 	if (sidkey->datalen != sizeof(uid_t)) {
-		rc = -EIO;
 		cifs_dbg(FYI, "%s: Downcall contained malformed key (datalen=%hu)\n",
 			 __func__, sidkey->datalen);
 		key_invalidate(sidkey);
--
2.7.4




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