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Re: [PATCH 2/5] drm/i915: fix error path in intel_setup_gmbus()

From Jani Nikula <jani.nikula@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/5] drm/i915: fix error path in intel_setup_gmbus()
Date 2016-02-09 21:30 +0100
Message-ID <r0n58-Gp-13@gated-at.bofh.it> (permalink)
References <r0mVr-wW-3@gated-at.bofh.it> <r0mVr-wW-1@gated-at.bofh.it>
Organization Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

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On Tue, 09 Feb 2016, Rasmus Villemoes <linux@rasmusvillemoes.dk> wrote:
> This fails to undo the setup for pin==0; moreover, something
> interesting happens if the setup failed already at pin==0.
>
> Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
> ---
>  drivers/gpu/drm/i915/intel_i2c.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
> index 25254b5c1ac5..deb8282c26d8 100644
> --- a/drivers/gpu/drm/i915/intel_i2c.c
> +++ b/drivers/gpu/drm/i915/intel_i2c.c
> @@ -683,7 +683,7 @@ int intel_setup_gmbus(struct drm_device *dev)
>  	return 0;
>  
>  err:
> -	while (--pin) {
> +	while (pin--) {
>  		if (!intel_gmbus_is_valid_pin(dev_priv, pin))
>  			continue;

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Fixes: f899fc64cda8 ("drm/i915: use GMBUS to manage i2c links")
Cc: stable@vger.kernel.org


-- 
Jani Nikula, Intel Open Source Technology Center

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Thread

[PATCH 2/5] drm/i915: fix error path in intel_setup_gmbus() Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2016-02-09 21:20 +0100
  Re: [PATCH 2/5] drm/i915: fix error path in intel_setup_gmbus() Jani Nikula <jani.nikula@linux.intel.com> - 2016-02-09 21:30 +0100
    Re: [PATCH 2/5] drm/i915: fix error path in intel_setup_gmbus() Jani Nikula <jani.nikula@linux.intel.com> - 2016-02-10 10:00 +0100

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