2018-11-02 06:47:58

by Fengguang Wu

[permalink] [raw]
Subject: [PATCH] apparmor: fix boolreturn.cocci warnings

From: kbuild test robot <[email protected]>

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 <[email protected]>
Signed-off-by: kbuild test robot <[email protected]>
---

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;
}

/**