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authorJani Nikula <jani.nikula@intel.com>2013-08-11 12:44:02 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-08-22 13:31:38 +0200
commitea04cb31d506ac3f4fc3cefb1c50eb4f35ab37fd (patch)
tree19f7623a4694c0794e6905d37751537dba3f5497 /drivers/gpu
parentf2f4d82faf85d2e53a2ba00a831a9f7f80b7e6e7 (diff)
drm/i915: drop unnecessary local variable to suppress build warning
Although I could not reproduce this (different compiler version, perhaps), reportedly we get: drivers/gpu/drm/i915/i915_irq.c:1943:27: warning: ‘score’ may be used uninitialized in this function [-Wuninitialized] Drop the 'score' variable altogether as it's not really needed. Reported-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 06659a72d0c..28d57477aa4 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1905,8 +1905,6 @@ static void i915_hangcheck_elapsed(unsigned long data)
} else
busy = false;
} else {
- int score;
-
/* We always increment the hangcheck score
* if the ring is busy and still processing
* the same request, so that no single request
@@ -1927,20 +1925,18 @@ static void i915_hangcheck_elapsed(unsigned long data)
switch (ring->hangcheck.action) {
case HANGCHECK_WAIT:
- score = 0;
break;
case HANGCHECK_ACTIVE:
- score = BUSY;
+ ring->hangcheck.score += BUSY;
break;
case HANGCHECK_KICK:
- score = KICK;
+ ring->hangcheck.score += KICK;
break;
case HANGCHECK_HUNG:
- score = HUNG;
+ ring->hangcheck.score += HUNG;
stuck[i] = true;
break;
}
- ring->hangcheck.score += score;
}
} else {
/* Gradually reduce the count so that we catch DoS