This is a note to let you know that I've just added the patch titled
drm/i915: Pair va_copy with va_end in i915_error_vprintf
to the 3.13-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-pair-va_copy-with-va_end-in-i915_error_vprintf.patch
and it can be found in the queue-3.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1d2cb9a54abc6e1d239f28f07661366d5662a94a Mon Sep 17 00:00:00 2001
From: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Date: Fri, 7 Feb 2014 17:40:50 +0200
Subject: drm/i915: Pair va_copy with va_end in i915_error_vprintf
From: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
commit 1d2cb9a54abc6e1d239f28f07661366d5662a94a upstream.
Each invocation of va_copy() must be matched by a corresponding
invocation of va_end() in the same function.
This regression has been introduced in
commit e29bb4ebbf000ff9ac081d29784a3331618f012e
Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Date: Fri Sep 20 10:20:59 2013 +0100
drm/i915: Use a temporary va_list for two-pass string handling
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gpu_error.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -146,7 +146,10 @@ static void i915_error_vprintf(struct dr
va_list tmp;
va_copy(tmp, args);
- if (!__i915_error_seek(e, vsnprintf(NULL, 0, f, tmp)))
+ len = vsnprintf(NULL, 0, f, tmp);
+ va_end(tmp);
+
+ if (!__i915_error_seek(e, len))
return;
}
Patches currently in stable-queue which might be from mika.kuoppala@xxxxxxxxxxxxxxx are
queue-3.13/drm-i915-pair-va_copy-with-va_end-in-i915_error_vprintf.patch
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