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From: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
To: dri-devel@lists.freedesktop.org
Cc: Ander Conselvan de Oliveira
	<ander.conselvan.de.oliveira@intel.com>,
	intel-gfx@lists.freedesktop.org
Subject: [PATCH] drm/atomic: Don't try to free a NULL state
Date: Mon, 30 Mar 2015 14:05:43 +0300	[thread overview]
Message-ID: <1427713543-2541-1-git-send-email-ander.conselvan.de.oliveira@intel.com> (raw)

Consistently with other free functions, handle the NULL case without
oopsing.

Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
---
 drivers/gpu/drm/drm_atomic.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 23034e8..88b2790 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -179,6 +179,9 @@ EXPORT_SYMBOL(drm_atomic_state_clear);
  */
 void drm_atomic_state_free(struct drm_atomic_state *state)
 {
+	if (!state)
+		return;
+
 	drm_atomic_state_clear(state);
 
 	DRM_DEBUG_ATOMIC("Freeing atomic state %p\n", state);
-- 
2.1.0

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             reply	other threads:[~2015-03-30 11:05 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-30 11:05 Ander Conselvan de Oliveira [this message]
2015-03-30 11:35 ` [PATCH] drm/atomic: Don't try to free a NULL state David Weinehall
2015-03-30 14:52   ` Daniel Vetter

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