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[PATCH v2 3/7] gpio: mockup: refuse to accept an odd number of GPIO ranges

From Bartosz Golaszewski <brgl@bgdev.pl>
Newsgroups linux.kernel
Subject [PATCH v2 3/7] gpio: mockup: refuse to accept an odd number of GPIO ranges
Date 2017-05-30 11:10 +0200
Message-ID <tMLk6-5mP-21@gated-at.bofh.it> (permalink)
References <tMLaq-54b-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Currently we ignore the last odd range value, since each chip is
described by two values. Be more strict and require the user to
pass an even number of ranges.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
---
 drivers/gpio/gpio-mockup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index d78e8e0..d95d37a 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -334,7 +334,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
 	int ret, i, base, ngpio;
 	char *chip_name;
 
-	if (gpio_mockup_params_nr < 2)
+	if (gpio_mockup_params_nr < 2 || (gpio_mockup_params_nr % 2))
 		return -EINVAL;
 
 	chips = devm_kzalloc(dev,
-- 
2.9.3

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Thread

[PATCH v2 0/7] gpio: mockup: updates for 4.13 Bartosz Golaszewski <brgl@bgdev.pl> - 2017-05-30 11:00 +0200
  [PATCH v2 2/7] gpio: mockup: tweak gpio_mockup_event_write() Bartosz Golaszewski <brgl@bgdev.pl> - 2017-05-30 11:10 +0200
  [PATCH v2 3/7] gpio: mockup: refuse to accept an odd number of GPIO ranges Bartosz Golaszewski <brgl@bgdev.pl> - 2017-05-30 11:10 +0200

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