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-rw-r--r--drivers/clocksource/samsung_pwm_timer.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
index bfad61b509f9..55e2f9fa2a15 100644
--- a/drivers/clocksource/samsung_pwm_timer.c
+++ b/drivers/clocksource/samsung_pwm_timer.c
@@ -421,7 +421,7 @@ static int __init samsung_pwm_alloc(struct device_node *np,
struct property *prop;
const __be32 *cur;
u32 val;
- int i;
+ int i, ret;
memcpy(&pwm.variant, variant, sizeof(pwm.variant));
for (i = 0; i < SAMSUNG_PWM_NUM; ++i)
@@ -444,10 +444,24 @@ static int __init samsung_pwm_alloc(struct device_node *np,
pwm.timerclk = of_clk_get_by_name(np, "timers");
if (IS_ERR(pwm.timerclk)) {
pr_crit("failed to get timers clock for timer\n");
- return PTR_ERR(pwm.timerclk);
+ ret = PTR_ERR(pwm.timerclk);
+ goto err_clk;
}
- return _samsung_pwm_clocksource_init();
+ ret = _samsung_pwm_clocksource_init();
+ if (ret)
+ goto err_clocksource;
+
+ return 0;
+
+err_clocksource:
+ clk_put(pwm.timerclk);
+ pwm.timerclk = NULL;
+err_clk:
+ iounmap(pwm.base);
+ pwm.base = NULL;
+
+ return ret;
}
static const struct samsung_pwm_variant s3c24xx_variant = {