From: <gregkh@linuxfoundation.org>
To: <linux@rasmusvillemoes.dk>, <gregkh@linuxfoundation.org>,
<jani.nikula@intel.com>
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "drm/i915: fix error path in intel_setup_gmbus()" has been added to the 4.4-stable tree
Date: Tue, 01 Mar 2016 20:36:29 +0000 [thread overview]
Message-ID: <1456864586203171@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
drm/i915: fix error path in intel_setup_gmbus()
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-fix-error-path-in-intel_setup_gmbus.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From ed3f9fd1e865975ceefdb2a43b453e090b1fd787 Mon Sep 17 00:00:00 2001
From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Date: Tue, 9 Feb 2016 21:11:13 +0100
Subject: drm/i915: fix error path in intel_setup_gmbus()
From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
commit ed3f9fd1e865975ceefdb2a43b453e090b1fd787 upstream.
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>
Fixes: f899fc64cda8 ("drm/i915: use GMBUS to manage i2c links")
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455048677-19882-3-git-send-email-linux@rasmusvillemoes.dk
(cherry picked from commit 2417c8c03f508841b85bf61acc91836b7b0e2560)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/i915/intel_i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -675,7 +675,7 @@ int intel_setup_gmbus(struct drm_device
return 0;
err:
- while (--pin) {
+ while (pin--) {
if (!intel_gmbus_is_valid_pin(dev_priv, pin))
continue;
Patches currently in stable-queue which might be from linux@rasmusvillemoes.dk are
queue-4.4/drm-amdgpu-use-post-decrement-in-error-handling.patch
queue-4.4/drm-i915-fix-error-path-in-intel_setup_gmbus.patch
reply other threads:[~2016-03-01 20:36 UTC|newest]
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