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i915: fix lock imbalance on error path...
author
Daniel J Blueman
<daniel.blueman@gmail.com>
Mon, 17 May 2010 13:23:52 +0000
(14:23 +0100)
committer
Eric Anholt
<eric@anholt.net>
Wed, 26 May 2010 20:50:11 +0000
(13:50 -0700)
While investigating Intel i5 Arrandale GPU lockups with -rc4, I
noticed a lock imbalance.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/i915_drv.c
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diff --git
a/drivers/gpu/drm/i915/i915_drv.c
b/drivers/gpu/drm/i915/i915_drv.c
index
d40f62d
..
c072b21
100644
(file)
--- a/
drivers/gpu/drm/i915/i915_drv.c
+++ b/
drivers/gpu/drm/i915/i915_drv.c
@@
-370,6
+370,7
@@
int i965_reset(struct drm_device *dev, u8 flags)
}
} else {
DRM_ERROR("Error occurred. Don't know how to reset this chip.\n");
+ mutex_unlock(&dev->struct_mutex);
return -ENODEV;
}