* [PATCH AUTOSEL 5.15 01/65] Input: cpcap-pwrbutton - handle errors from platform_get_irq()
@ 2021-11-16 19:03 Sasha Levin
0 siblings, 0 replies; 2+ messages in thread
From: Sasha Levin @ 2021-11-16 19:03 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Tang Bin, Dmitry Torokhov, Sasha Levin, sebastian.reichel, linux-input
From: Tang Bin <tangbin@cmss.chinamobile.com>
[ Upstream commit 58ae4004b9c4bb040958cf73986b687a5ea4d85d ]
The function cpcap_power_button_probe() does not perform
sufficient error checking after executing platform_get_irq(),
thus fix it.
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20210802121740.8700-1-tangbin@cmss.chinamobile.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/input/misc/cpcap-pwrbutton.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/input/misc/cpcap-pwrbutton.c b/drivers/input/misc/cpcap-pwrbutton.c
index 0abef63217e21..372cb44d06357 100644
--- a/drivers/input/misc/cpcap-pwrbutton.c
+++ b/drivers/input/misc/cpcap-pwrbutton.c
@@ -54,9 +54,13 @@ static irqreturn_t powerbutton_irq(int irq, void *_button)
static int cpcap_power_button_probe(struct platform_device *pdev)
{
struct cpcap_power_button *button;
- int irq = platform_get_irq(pdev, 0);
+ int irq;
int err;
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
+
button = devm_kmalloc(&pdev->dev, sizeof(*button), GFP_KERNEL);
if (!button)
return -ENOMEM;
--
2.33.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH AUTOSEL 5.15 01/65] Input: cpcap-pwrbutton - handle errors from platform_get_irq()
@ 2021-11-16 19:16 Sasha Levin
0 siblings, 0 replies; 2+ messages in thread
From: Sasha Levin @ 2021-11-16 19:16 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Tang Bin, Dmitry Torokhov, Sasha Levin, sebastian.reichel, linux-input
From: Tang Bin <tangbin@cmss.chinamobile.com>
[ Upstream commit 58ae4004b9c4bb040958cf73986b687a5ea4d85d ]
The function cpcap_power_button_probe() does not perform
sufficient error checking after executing platform_get_irq(),
thus fix it.
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20210802121740.8700-1-tangbin@cmss.chinamobile.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/input/misc/cpcap-pwrbutton.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/input/misc/cpcap-pwrbutton.c b/drivers/input/misc/cpcap-pwrbutton.c
index 0abef63217e21..372cb44d06357 100644
--- a/drivers/input/misc/cpcap-pwrbutton.c
+++ b/drivers/input/misc/cpcap-pwrbutton.c
@@ -54,9 +54,13 @@ static irqreturn_t powerbutton_irq(int irq, void *_button)
static int cpcap_power_button_probe(struct platform_device *pdev)
{
struct cpcap_power_button *button;
- int irq = platform_get_irq(pdev, 0);
+ int irq;
int err;
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
+
button = devm_kmalloc(&pdev->dev, sizeof(*button), GFP_KERNEL);
if (!button)
return -ENOMEM;
--
2.33.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
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