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Commit a441dbb1 authored by Marcin Slusarz's avatar Marcin Slusarz Committed by Ben Skeggs
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drm/nouveau: use kmemdup for edid allocation/copying 



Avoids potential null pointer dereference.

Signed-off-by: default avatarMarcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 03e9a040

drivers/gpu/drm/nouveau/nouveau_connector.c

+4 −3
Original line number Diff line number Diff line
@@ -399,8 +399,9 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 
		struct edid *edid =

			(struct edid *)nouveau_bios_embedded_edid(dev);

		if (edid) {

			nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL);

			*(nv_connector->edid) = *edid;

			nv_connector->edid =

					kmemdup(edid, EDID_LENGTH, GFP_KERNEL);

			if (nv_connector->edid)

				status = connector_status_connected;

		}

	}