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Date:   Fri, 2 Nov 2018 14:47:14 +0800
From:   kbuild test robot <fengguang.wu@intel.com>
To:     Matthew Garrett <mjg59@google.com>
Cc:     kbuild-all@01.org, John Johansen <john.johansen@canonical.com>,
        James Morris <jmorris@namei.org>,
        "Serge E. Hallyn" <serge@hallyn.com>,
        linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] apparmor: fix boolreturn.cocci warnings
Message-ID: <20181102064714.GA4525@lkp-wsm-ep1>
References: <201811021410.91btpktw%fengguang.wu@intel.com>
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From: kbuild test robot <fengguang.wu@intel.com>

security/apparmor/policy_unpack.c:242:9-10: WARNING: return of 0/1 in function 'unpack_X' with return type bool
security/apparmor/policy_unpack.c:288:9-10: WARNING: return of 0/1 in function 'unpack_nameX' with return type bool
security/apparmor/policy_unpack.c:615:8-9: WARNING: return of 0/1 in function 'unpack_rlimits' with return type bool
security/apparmor/policy_unpack.c:574:8-9: WARNING: return of 0/1 in function 'unpack_secmark' with return type bool
security/apparmor/policy_unpack.c:508:8-9: WARNING: return of 0/1 in function 'unpack_trans_table' with return type bool
security/apparmor/policy_unpack.c:312:10-11: WARNING: return of 0/1 in function 'unpack_u32' with return type bool
security/apparmor/policy_unpack.c:325:10-11: WARNING: return of 0/1 in function 'unpack_u64' with return type bool
security/apparmor/policy_unpack.c:299:10-11: WARNING: return of 0/1 in function 'unpack_u8' with return type bool
security/apparmor/policy_unpack.c:538:8-9: WARNING: return of 0/1 in function 'unpack_xattrs' with return type bool
security/apparmor/policy_unpack.c:969:10-11: WARNING: return of 0/1 in function 'verify_dfa_xindex' with return type bool
security/apparmor/policy_unpack.c:959:9-10: WARNING: return of 0/1 in function 'verify_xindex' with return type bool

 Return statements in functions returning bool should use
 true/false instead of 1/0.
Generated by: scripts/coccinelle/misc/boolreturn.cocci

Fixes: 9caafbe2b4cf ("apparmor: Parse secmark policy")
CC: Matthew Garrett <mjg59@google.com>
Signed-off-by: kbuild test robot <fengguang.wu@intel.com>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor.git apparmor-next
head:   566f52ece7bd1099d20dfe2f6f0801896643cf8f
commit: 9caafbe2b4cf4c635826a2832e93cf648605de8b [9/16] apparmor: Parse secmark policy

 policy_unpack.c |   54 +++++++++++++++++++++++++++---------------------------
 1 file changed, 27 insertions(+), 27 deletions(-)

--- a/security/apparmor/policy_unpack.c
+++ b/security/apparmor/policy_unpack.c
@@ -239,11 +239,11 @@ static size_t unpack_u16_chunk(struct aa
 static bool unpack_X(struct aa_ext *e, enum aa_code code)
 {
 	if (!inbounds(e, 1))
-		return 0;
+		return false;
 	if (*(u8 *) e->pos != code)
-		return 0;
+		return false;
 	e->pos++;
-	return 1;
+	return true;
 }
 
 /**
@@ -285,50 +285,50 @@ static bool unpack_nameX(struct aa_ext *
 
 	/* now check if type code matches */
 	if (unpack_X(e, code))
-		return 1;
+		return true;
 
 fail:
 	e->pos = pos;
-	return 0;
+	return false;
 }
 
 static bool unpack_u8(struct aa_ext *e, u8 *data, const char *name)
 {
 	if (unpack_nameX(e, AA_U8, name)) {
 		if (!inbounds(e, sizeof(u8)))
-			return 0;
+			return false;
 		if (data)
 			*data = get_unaligned((u8 *)e->pos);
 		e->pos += sizeof(u8);
-		return 1;
+		return true;
 	}
-	return 0;
+	return false;
 }
 
 static bool unpack_u32(struct aa_ext *e, u32 *data, const char *name)
 {
 	if (unpack_nameX(e, AA_U32, name)) {
 		if (!inbounds(e, sizeof(u32)))
-			return 0;
+			return false;
 		if (data)
 			*data = le32_to_cpu(get_unaligned((__le32 *) e->pos));
 		e->pos += sizeof(u32);
-		return 1;
+		return true;
 	}
-	return 0;
+	return false;
 }
 
 static bool unpack_u64(struct aa_ext *e, u64 *data, const char *name)
 {
 	if (unpack_nameX(e, AA_U64, name)) {
 		if (!inbounds(e, sizeof(u64)))
-			return 0;
+			return false;
 		if (data)
 			*data = le64_to_cpu(get_unaligned((__le64 *) e->pos));
 		e->pos += sizeof(u64);
-		return 1;
+		return true;
 	}
-	return 0;
+	return false;
 }
 
 static size_t unpack_array(struct aa_ext *e, const char *name)
@@ -505,12 +505,12 @@ static bool unpack_trans_table(struct aa
 		if (!unpack_nameX(e, AA_STRUCTEND, NULL))
 			goto fail;
 	}
-	return 1;
+	return true;
 
 fail:
 	aa_free_domain_entries(&profile->file.trans);
 	e->pos = saved_pos;
-	return 0;
+	return false;
 }
 
 static bool unpack_xattrs(struct aa_ext *e, struct aa_profile *profile)
@@ -535,11 +535,11 @@ static bool unpack_xattrs(struct aa_ext
 			goto fail;
 	}
 
-	return 1;
+	return true;
 
 fail:
 	e->pos = pos;
-	return 0;
+	return false;
 }
 
 static bool unpack_secmark(struct aa_ext *e, struct aa_profile *profile)
@@ -571,7 +571,7 @@ static bool unpack_secmark(struct aa_ext
 			goto fail;
 	}
 
-	return 1;
+	return true;
 
 fail:
 	if (profile->secmark) {
@@ -582,7 +582,7 @@ fail:
 	}
 
 	e->pos = pos;
-	return 0;
+	return false;
 }
 
 static bool unpack_rlimits(struct aa_ext *e, struct aa_profile *profile)
@@ -612,11 +612,11 @@ static bool unpack_rlimits(struct aa_ext
 		if (!unpack_nameX(e, AA_STRUCTEND, NULL))
 			goto fail;
 	}
-	return 1;
+	return true;
 
 fail:
 	e->pos = pos;
-	return 0;
+	return false;
 }
 
 static u32 strhash(const void *data, u32 len, u32 seed)
@@ -956,8 +956,8 @@ static bool verify_xindex(int xindex, in
 	xtype = xindex & AA_X_TYPE_MASK;
 	index = xindex & AA_X_INDEX_MASK;
 	if (xtype == AA_X_TABLE && index >= table_size)
-		return 0;
-	return 1;
+		return false;
+	return true;
 }
 
 /* verify dfa xindexes are in range of transition tables */
@@ -966,11 +966,11 @@ static bool verify_dfa_xindex(struct aa_
 	int i;
 	for (i = 0; i < dfa->tables[YYTD_ID_ACCEPT]->td_lolen; i++) {
 		if (!verify_xindex(dfa_user_xindex(dfa, i), table_size))
-			return 0;
+			return false;
 		if (!verify_xindex(dfa_other_xindex(dfa, i), table_size))
-			return 0;
+			return false;
 	}
-	return 1;
+	return true;
 }
 
 /**