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Date: Tue, 9 Feb 2016 21:11:13 +0100
From: Rasmus Villemoes <linux@...musvillemoes.dk>
To: Daniel Vetter <daniel.vetter@...el.com>,
Jani Nikula <jani.nikula@...ux.intel.com>,
David Airlie <airlied@...ux.ie>
Cc: Rasmus Villemoes <linux@...musvillemoes.dk>,
intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] drm/i915: fix error path in intel_setup_gmbus()
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@...musvillemoes.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;
--
2.1.4
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