This is a note to let you know that I've just added the patch titled
Input: sun4i-ps2 - fix handling of platform_get_irq() error
to the 5.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
input-sun4i-ps2-fix-handling-of-platform_get_irq-err.patch
and it can be found in the queue-5.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 90d805458953942c47370cab92ee77f6f50a0da5
Author: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Date: Tue Sep 15 17:56:40 2020 -0700
Input: sun4i-ps2 - fix handling of platform_get_irq() error
[ Upstream commit cafb3abea6136e59ea534004e5773361e196bb94 ]
platform_get_irq() returns -ERRNO on error. In such case comparison
to 0 would pass the check.
Fixes: e443631d20f5 ("Input: serio - add support for Alwinner A10/A20 PS/2 controller")
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
Link: https://lore.kernel.org/r/20200828145744.3636-4-krzk@xxxxxxxxxx
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/input/serio/sun4i-ps2.c b/drivers/input/serio/sun4i-ps2.c
index a681a2c04e399..f15ed3dcdb9b2 100644
--- a/drivers/input/serio/sun4i-ps2.c
+++ b/drivers/input/serio/sun4i-ps2.c
@@ -211,7 +211,6 @@ static int sun4i_ps2_probe(struct platform_device *pdev)
struct sun4i_ps2data *drvdata;
struct serio *serio;
struct device *dev = &pdev->dev;
- unsigned int irq;
int error;
drvdata = kzalloc(sizeof(struct sun4i_ps2data), GFP_KERNEL);
@@ -264,14 +263,12 @@ static int sun4i_ps2_probe(struct platform_device *pdev)
writel(0, drvdata->reg_base + PS2_REG_GCTL);
/* Get IRQ for the device */
- irq = platform_get_irq(pdev, 0);
- if (!irq) {
- dev_err(dev, "no IRQ found\n");
- error = -ENXIO;
+ drvdata->irq = platform_get_irq(pdev, 0);
+ if (drvdata->irq < 0) {
+ error = drvdata->irq;
goto err_disable_clk;
}
- drvdata->irq = irq;
drvdata->serio = serio;
drvdata->dev = dev;
