Input: samsung-keypad - do not combine memory allocation checks

The driver uses devm API to allocate resources so there's no reason
to do allocations first and then check and release everything at once.

Check results immediately after doing allocation of each resource.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240819045813.2154642-4-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Author: dtor

drivers/input/keyboard/samsung-keypad.c

@@ -349,8 +349,11 @@ static int samsung_keypad_probe(struct platform_device *pdev)
 
 	keypad = devm_kzalloc(&pdev->dev, sizeof(*keypad) + keymap_size,
 			      GFP_KERNEL);
+	if (!keypad)
+		return -ENOMEM;
+
 	input_dev = devm_input_allocate_device(&pdev->dev);
-	if (!keypad || !input_dev)
+	if (!input_dev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);