clocksource/drivers/stm32: Fix error return code

Return an error code on failure.

Problem found using Coccinelle.

Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: [email protected]
Cc: Maxime Coquelin <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/[email protected]

Author: JuliaLawall

drivers/clocksource/timer-stm32.c

@@ -304,8 +304,10 @@ static int __init stm32_timer_init(struct device_node *node)
 
 	to->private_data = kzalloc(sizeof(struct stm32_timer_private),
 				   GFP_KERNEL);
-	if (!to->private_data)
+	if (!to->private_data) {
+		ret = -ENOMEM;
 		goto deinit;
+	}
 
 	rstc = of_reset_control_get(node, NULL);
 	if (!IS_ERR(rstc)) {