From: Arvind Yadav <arvind.yadav.cs@gmail.com> To: dmitry.torokhov@gmail.com, maxime.ripard@free-electrons.com, wens@csie.org, mcuos.com@gmail.com, linux@roeck-us.net, linux@armlinux.org.uk, lee.jones@linaro.org Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 01/10 v4] Input: ep93xx_keypad: Fix platform_get_irq's error checking Date: Mon, 20 Nov 2017 21:56:21 +0530 [thread overview] Message-ID: <987ac156e9590cbe2f667f9782b56515d7a991a4.1511194239.git.arvind.yadav.cs@gmail.com> (raw) 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 <arvind.yadav.cs@gmail.com> --- changes in v2 : Return keypad->irq insted of -ENXIO. changes in v3 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. changes ib v4 : Return -ENXIO insted of keypad->irq. Which was not correct in v3. drivers/input/keyboard/ep93xx_keypad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c index f77b295..c6eb31a 100644 --- a/drivers/input/keyboard/ep93xx_keypad.c +++ b/drivers/input/keyboard/ep93xx_keypad.c @@ -257,7 +257,7 @@ static int ep93xx_keypad_probe(struct platform_device *pdev) } keypad->irq = platform_get_irq(pdev, 0); - if (!keypad->irq) { + if (keypad->irq <= 0) { err = -ENXIO; goto failed_free; } -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: arvind.yadav.cs@gmail.com (Arvind Yadav) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 01/10 v4] Input: ep93xx_keypad: Fix platform_get_irq's error checking Date: Mon, 20 Nov 2017 21:56:21 +0530 [thread overview] Message-ID: <987ac156e9590cbe2f667f9782b56515d7a991a4.1511194239.git.arvind.yadav.cs@gmail.com> (raw) 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 <arvind.yadav.cs@gmail.com> --- changes in v2 : Return keypad->irq insted of -ENXIO. changes in v3 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. changes ib v4 : Return -ENXIO insted of keypad->irq. Which was not correct in v3. drivers/input/keyboard/ep93xx_keypad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c index f77b295..c6eb31a 100644 --- a/drivers/input/keyboard/ep93xx_keypad.c +++ b/drivers/input/keyboard/ep93xx_keypad.c @@ -257,7 +257,7 @@ static int ep93xx_keypad_probe(struct platform_device *pdev) } keypad->irq = platform_get_irq(pdev, 0); - if (!keypad->irq) { + if (keypad->irq <= 0) { err = -ENXIO; goto failed_free; } -- 2.7.4
next reply other threads:[~2017-11-20 16:26 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-11-20 16:26 Arvind Yadav [this message] 2017-11-20 16:26 ` [PATCH 01/10 v4] Input: ep93xx_keypad: Fix platform_get_irq's error checking Arvind Yadav 2017-11-20 16:29 ` Russell King - ARM Linux 2017-11-20 16:29 ` Russell King - ARM Linux 2017-11-20 16:48 ` Dmitry Torokhov 2017-11-20 16:48 ` Dmitry Torokhov
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