[v2] clocksrouce/timer-imz-gpt: Prevent resource leaks in error path

[Arvind Yadav]

Free memory and memory mapping, if mxc_timer_init_dt is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
---
 drivers/clocksource/timer-imx-gpt.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/clocksource/timer-imx-gpt.c 
b/drivers/clocksource/timer-imx-gpt.c
index f595460..19f6860 100644
--- a/drivers/clocksource/timer-imx-gpt.c
+++ b/drivers/clocksource/timer-imx-gpt.c
@@ -489,12 +489,17 @@ static int __init mxc_timer_init_dt(struct device_node 
*np,  enum imx_gpt_type t
                return -ENOMEM;
 
        imxtm->base = of_iomap(np, 0);
-       if (!imxtm->base)
+       if (!imxtm->base) {
+               kfree(imxtm);
                return -ENXIO;
+       }
 
        imxtm->irq = irq_of_parse_and_map(np, 0);
-       if (imxtm->irq <= 0)
+       if (imxtm->irq <= 0) {
+               iounmap(imxtm->base);
+               kfree(imxtm);
                return -EINVAL;
+       }
 
        imxtm->clk_ipg = of_clk_get_by_name(np, "ipg");
 
@@ -506,8 +511,11 @@ static int __init mxc_timer_init_dt(struct device_node 
*np,  enum imx_gpt_type t
        imxtm->type = type;
 
        ret = _mxc_timer_init(imxtm);
-       if (ret)
+       if (ret) {
+               iounmap(imxtm->base);
+               kfree(imxtm);
                return ret;
+       }
 
        initialized = 1;
 
-- 
2.7.4