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Date: Mon, 17 May 2010 13:42:43 +0800 From: Axel Lin <axel.lin@...il.com> To: linux-kernel <linux-kernel@...r.kernel.org> Cc: Rodney Girod <rgirod@...focus.com>, Dave Hansen <dave@...1.net>, Richard Purdie <rpurdie@...ux.intel.com> Subject: [PATCH] leds-ss4200: fix led_classdev_unregister twice in error handling In current implementation, if device_create_file failed in register_nasgpio_led, led_classdev_unregister will be executed twice. ( in register_nasgpio_led it calls led_classdev_unregister before return and in nas_gpio_init out_err ) This patch fixes it by only unregistering those that were successfully registered in out_err. ( not including last failed register_nasgpio_led call ) Signed-off-by: Axel Lin <axel.lin@...il.com> --- drivers/leds/leds-ss4200.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c index 51477ec..a688293 100644 --- a/drivers/leds/leds-ss4200.c +++ b/drivers/leds/leds-ss4200.c @@ -534,7 +534,7 @@ static int __init nas_gpio_init(void) set_power_light_amber_noblink(); return 0; out_err: - for (; i >= 0; i--) + for (i--; i >= 0; i--) unregister_nasgpio_led(i); pci_unregister_driver(&nas_gpio_pci_driver); return ret; -- 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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