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drm/i915: Pair va_copy with va_end in i915_error_vprintf 

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 e29bb4ebbf
Author: Chris Wilson <chris@chris-wilson.co.uk>
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@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2014-02-07 17:40:50 +02:00 committed by Daniel Vetter
parent a2d213dd77
commit 1d2cb9a54a
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/i915/i915_gpu_error.c
View File

@ -146,7 +146,10 @@ static void i915_error_vprintf(struct drm_i915_error_state_buf *e,
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;
}