ksmbd: fix control flow issues in sid_to_id()
Addresses-Coverity reported Control flow issues in sid_to_id() /fs/ksmbd/smbacl.c: 277 in sid_to_id() 271 272 if (sidtype == SIDOWNER) { 273 kuid_t uid; 274 uid_t id; 275 276 id = le32_to_cpu(psid->sub_auth[psid->num_subauth - 1]); >>> CID 1506810: Control flow issues (NO_EFFECT) >>> This greater-than-or-equal-to-zero comparison of an unsigned value >>> is always true. "id >= 0U". 277 if (id >= 0) { 278 /* 279 * Translate raw sid into kuid in the server's user 280 * namespace. 281 */ 282 uid = make_kuid(&init_user_ns, id); Addresses-Coverity: ("Control flow issues") Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
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@ -274,7 +274,6 @@ static int sid_to_id(struct user_namespace *user_ns,
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uid_t id;
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id = le32_to_cpu(psid->sub_auth[psid->num_subauth - 1]);
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if (id >= 0) {
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/*
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* Translate raw sid into kuid in the server's user
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* namespace.
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@ -287,13 +286,11 @@ static int sid_to_id(struct user_namespace *user_ns,
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fattr->cf_uid = uid;
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rc = 0;
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}
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}
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} else {
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kgid_t gid;
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gid_t id;
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id = le32_to_cpu(psid->sub_auth[psid->num_subauth - 1]);
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if (id >= 0) {
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/*
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* Translate raw sid into kgid in the server's user
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* namespace.
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@ -307,7 +304,6 @@ static int sid_to_id(struct user_namespace *user_ns,
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rc = 0;
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}
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}
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}
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return rc;
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}
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