Thread (19 messages) 19 messages, 3 authors, 2017-11-18
STALE3117d

[PATCH 04/10] Input: serio: Fix platform_get_irq's error checking

From: Arvind Yadav <hidden>
Date: 2017-11-17 19:16:40
Also in: linux-input, lkml
Subsystem: input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers: Dmitry Torokhov, Linus Torvalds

The platform_get_irq() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq() error checking
for zero is not correct.

Signed-off-by: Arvind Yadav <redacted>
---
 drivers/input/serio/sun4i-ps2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/serio/sun4i-ps2.c b/drivers/input/serio/sun4i-ps2.c
index 04b96fe..405c82f 100644
--- a/drivers/input/serio/sun4i-ps2.c
+++ b/drivers/input/serio/sun4i-ps2.c
@@ -264,7 +264,7 @@ static int sun4i_ps2_probe(struct platform_device *pdev)
 
 	/* Get IRQ for the device */
 	irq = platform_get_irq(pdev, 0);
-	if (!irq) {
+	if (irq < 0) {
 		dev_err(dev, "no IRQ found\n");
 		error = -ENXIO;
 		goto err_disable_clk;
-- 
2.7.4
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