[patch] clocksource: timer-imx-gpt: make driver work again

[Dan Carpenter]

We accidentally made mxc_timer_init_dt() return unconditionally.

Fixes: e93432390ec1 ('clocksource/drivers/timer-imx-gpt: Convert init function to return error')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c
index 5f64dff..f595460 100644
--- a/drivers/clocksource/timer-imx-gpt.c
+++ b/drivers/clocksource/timer-imx-gpt.c
@@ -485,7 +485,8 @@ static int __init mxc_timer_init_dt(struct device_node *np,  enum imx_gpt_type t
 		return 0;
 
 	imxtm = kzalloc(sizeof(*imxtm), GFP_KERNEL);
-	return -ENOMEM;
+	if (!imxtm)
+		return -ENOMEM;
 
 	imxtm->base = of_iomap(np, 0);
 	if (!imxtm->base)