[PATCH -next] selinux: remove set but not used variable 'sidtab'

From: YueHaibing
Date: Tue Dec 24 2019 - 07:46:12 EST


security/selinux/ss/services.c: In function security_port_sid:
security/selinux/ss/services.c:2346:17: warning: variable sidtab set but not used [-Wunused-but-set-variable]
security/selinux/ss/services.c: In function security_ib_endport_sid:
security/selinux/ss/services.c:2435:17: warning: variable sidtab set but not used [-Wunused-but-set-variable]
security/selinux/ss/services.c: In function security_netif_sid:
security/selinux/ss/services.c:2480:17: warning: variable sidtab set but not used [-Wunused-but-set-variable]
security/selinux/ss/services.c: In function security_fs_use:
security/selinux/ss/services.c:2831:17: warning: variable sidtab set but not used [-Wunused-but-set-variable]

Since commit 66f8e2f03c02 ("selinux: sidtab reverse lookup hash table")
'sidtab' is not used any more, so remove it.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
security/selinux/ss/services.c | 8 --------
1 file changed, 8 deletions(-)

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 743b85e..b1c8ae1 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2343,14 +2343,12 @@ int security_port_sid(struct selinux_state *state,
u8 protocol, u16 port, u32 *out_sid)
{
struct policydb *policydb;
- struct sidtab *sidtab;
struct ocontext *c;
int rc = 0;

read_lock(&state->ss->policy_rwlock);

policydb = &state->ss->policydb;
- sidtab = state->ss->sidtab;

c = policydb->ocontexts[OCON_PORT];
while (c) {
@@ -2432,14 +2430,12 @@ int security_ib_endport_sid(struct selinux_state *state,
const char *dev_name, u8 port_num, u32 *out_sid)
{
struct policydb *policydb;
- struct sidtab *sidtab;
struct ocontext *c;
int rc = 0;

read_lock(&state->ss->policy_rwlock);

policydb = &state->ss->policydb;
- sidtab = state->ss->sidtab;

c = policydb->ocontexts[OCON_IBENDPORT];
while (c) {
@@ -2477,14 +2473,12 @@ int security_netif_sid(struct selinux_state *state,
char *name, u32 *if_sid)
{
struct policydb *policydb;
- struct sidtab *sidtab;
int rc = 0;
struct ocontext *c;

read_lock(&state->ss->policy_rwlock);

policydb = &state->ss->policydb;
- sidtab = state->ss->sidtab;

c = policydb->ocontexts[OCON_NETIF];
while (c) {
@@ -2828,7 +2822,6 @@ int security_genfs_sid(struct selinux_state *state,
int security_fs_use(struct selinux_state *state, struct super_block *sb)
{
struct policydb *policydb;
- struct sidtab *sidtab;
int rc = 0;
struct ocontext *c;
struct superblock_security_struct *sbsec = sb->s_security;
@@ -2837,7 +2830,6 @@ int security_fs_use(struct selinux_state *state, struct super_block *sb)
read_lock(&state->ss->policy_rwlock);

policydb = &state->ss->policydb;
- sidtab = state->ss->sidtab;

c = policydb->ocontexts[OCON_FSUSE];
while (c) {
--
2.7.4