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drm/vc4: Fix memory leak during gpu reset.

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commit d08106796a78a4273e39e1bbdf538dc4334b2635 upstream.

__drm_atomic_helper_crtc_destroy_state does not free memory, it only
cleans it up. Fix this by calling the functions own destroy function.

Fixes: 6d6e50039187 ("drm/vc4: Allocate the right amount of space for boot-time CRTC state.")
Cc: Eric Anholt <eric@anholt.net>
Cc: <stable@vger.kernel.org> # v4.6+
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190301125627.7285-2-maarten.lankhorst@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Maarten Lankhorst 2019-03-01 13:56:11 +01:00 committed by Greg Kroah-Hartman
parent 2732382a37
commit 420f8c09e4
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/vc4/vc4_crtc.c
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@ -846,7 +846,7 @@ static void
vc4_crtc_reset(struct drm_crtc *crtc)
{
if (crtc->state)
__drm_atomic_helper_crtc_destroy_state(crtc->state);
vc4_crtc_destroy_state(crtc->state);
crtc->state = kzalloc(sizeof(struct vc4_crtc_state), GFP_KERNEL);
if (crtc->state)