build: fix build err [1/1]

PD#SWPL-4150

Problem:
When switch to the toolchain shipped with android P, multipile
"-Werror=maybe-uninitialized" error occurs, and the code fail
to be compiled

Solution:
Initialize variables if necessary

Verify:
Locally on Ampere

Change-Id: I280de648914565656831e211539bf41a7dee2b4a
Signed-off-by: Jiamin Ma <jiamin.ma@amlogic.com>

drivers/amlogic/media/common/canvas/canvas_mgr.c

@@ -375,7 +375,7 @@ canvas_pool_map_show(struct class *class,
 	int ret;
 	int i;
 	ssize_t size = 0;
-	struct canvas_info info;
+	struct canvas_info info = {NULL, 0, NULL, 0};
 	struct canvas_s canvas;
 
 	if (jiffies - pool->last_cat_map > 5 * HZ) {

drivers/amlogic/media/dtv_demod/amlfrontend.c

@@ -1845,6 +1845,8 @@ static int atsc_j83b_detect_first(struct dvb_frontend *fe, enum fe_status *s)
 	int cnt;
 	int check_ok;
 
+	j83b_status = 0;
+
 	/*tuner:*/
 	if (dvb_tuner_delay > 9)
 		msleep(dvb_tuner_delay);
@@ -1911,7 +1913,7 @@ static int atsc_j83b_polling(struct dvb_frontend *fe, enum fe_status *s)
 
 	PR_DBG("+7+");
 
-
+	j83b_status = 0;
 	strenth = tuner_get_ch_power(fe);
 	if (strenth < THRD_TUNER_STRENTH_J83) {
 		*s = FE_TIMEDOUT;

drivers/media/tuners/xc5000.c

@@ -931,7 +931,7 @@ static void xc5000_config_tv(struct dvb_frontend *fe,
 static int xc5000_set_tv_freq(struct dvb_frontend *fe)
 {
 	struct xc5000_priv *priv = fe->tuner_priv;
-	u16 pll_lock_status;
+	u16 pll_lock_status = 0;
 	int ret;
 
 tune_channel:

kernel/compat.c

@@ -112,6 +112,11 @@ COMPAT_SYSCALL_DEFINE2(settimeofday, struct compat_timeval __user *, tv,
 	struct timespec	new_ts;
 	struct timezone new_tz;
 
+#ifdef CONFIG_AMLOGIC_MODIFY
+	new_ts.tv_sec = 0;
+	new_ts.tv_nsec = 0;
+#endif
+
 	if (tv) {
 		if (compat_get_timeval(&user_tv, tv))
 			return -EFAULT;

kernel/time/posix-cpu-timers.c

@@ -1222,6 +1222,10 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
 {
 	unsigned long long now;
 
+#ifdef CONFIG_AMLOGIC_MODIFY
+	now = 0;
+#endif
+
 	WARN_ON_ONCE(clock_idx == CPUCLOCK_SCHED);
 	cpu_timer_sample_group(clock_idx, tsk, &now);
 

kernel/time/time.c

@@ -198,6 +198,11 @@ SYSCALL_DEFINE2(settimeofday, struct timeval __user *, tv,
 	struct timespec	new_ts;
 	struct timezone new_tz;
 
+#ifdef CONFIG_AMLOGIC_MODIFY
+	new_ts.tv_sec = 0;
+	new_ts.tv_nsec = 0;
+#endif
+
 	if (tv) {
 		if (copy_from_user(&user_tv, tv, sizeof(*tv)))
 			return -EFAULT;

net/unix/af_unix.c

@@ -997,6 +997,10 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	struct hlist_head *list;
 	struct path path = { NULL, NULL };
 
+#ifdef CONFIG_AMLOGIC_MODIFY
+	hash = 0;
+#endif
+
 	err = -EINVAL;
 	if (addr_len < offsetofend(struct sockaddr_un, sun_family) ||
 	    sunaddr->sun_family != AF_UNIX)