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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Namjae Jeon <linkinjeon@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
	Steve French <sfrench@samba.org>,
	Hyunchul Lee <hyc.lee@gmail.com>,
	linux-cifs@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: [PATCH] ksmbd: remove unnecessary conditions
Date: Tue, 7 Sep 2021 10:34:28 +0300	[thread overview]
Message-ID: <20210907073428.GD18254@kili> (raw)

uid_t are unsigned so they can't be less than zero.  Remove the
conditions since they are always true.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 fs/ksmbd/smbacl.c | 48 ++++++++++++++++++++++-------------------------
 1 file changed, 22 insertions(+), 26 deletions(-)

diff --git a/fs/ksmbd/smbacl.c b/fs/ksmbd/smbacl.c
index 16da99a9963c..0a95cdec8c80 100644
--- a/fs/ksmbd/smbacl.c
+++ b/fs/ksmbd/smbacl.c
@@ -274,38 +274,34 @@ static int sid_to_id(struct user_namespace *user_ns,
 		uid_t id;
 
 		id = le32_to_cpu(psid->sub_auth[psid->num_subauth - 1]);
-		if (id >= 0) {
-			/*
-			 * Translate raw sid into kuid in the server's user
-			 * namespace.
-			 */
-			uid = make_kuid(&init_user_ns, id);
-
-			/* If this is an idmapped mount, apply the idmapping. */
-			uid = kuid_from_mnt(user_ns, uid);
-			if (uid_valid(uid)) {
-				fattr->cf_uid = uid;
-				rc = 0;
-			}
+		/*
+		 * Translate raw sid into kuid in the server's user
+		 * namespace.
+		 */
+		uid = make_kuid(&init_user_ns, id);
+
+		/* If this is an idmapped mount, apply the idmapping. */
+		uid = kuid_from_mnt(user_ns, uid);
+		if (uid_valid(uid)) {
+			fattr->cf_uid = uid;
+			rc = 0;
 		}
 	} else {
 		kgid_t gid;
 		gid_t id;
 
 		id = le32_to_cpu(psid->sub_auth[psid->num_subauth - 1]);
-		if (id >= 0) {
-			/*
-			 * Translate raw sid into kgid in the server's user
-			 * namespace.
-			 */
-			gid = make_kgid(&init_user_ns, id);
-
-			/* If this is an idmapped mount, apply the idmapping. */
-			gid = kgid_from_mnt(user_ns, gid);
-			if (gid_valid(gid)) {
-				fattr->cf_gid = gid;
-				rc = 0;
-			}
+		/*
+		 * Translate raw sid into kgid in the server's user
+		 * namespace.
+		 */
+		gid = make_kgid(&init_user_ns, id);
+
+		/* If this is an idmapped mount, apply the idmapping. */
+		gid = kgid_from_mnt(user_ns, gid);
+		if (gid_valid(gid)) {
+			fattr->cf_gid = gid;
+			rc = 0;
 		}
 	}
 
-- 
2.20.1


             reply	other threads:[~2021-09-07  7:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-07  7:34 Dan Carpenter [this message]
2021-09-07  8:06 ` [PATCH] ksmbd: remove unnecessary conditions Sergey Senozhatsky
2021-09-07  8:54   ` Dan Carpenter
2021-09-07  9:04     ` Sergey Senozhatsky
2021-09-07  9:14       ` Dan Carpenter
2021-09-07  9:59         ` Sergey Senozhatsky
2021-09-07 10:17           ` Dan Carpenter
2021-09-07 10:34             ` Sergey Senozhatsky

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