Mesa (master): st/xorg: add sanity checks after malloc

[Emil Velikov]

Module: Mesa
Branch: master
Commit: 2b7ffde8bd0d11258d0e71e01ec226022d51059a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2b7ffde8bd0d11258d0e71e01ec226022d51059a

Author: Emil Velikov <emil.l.velikov at gmail.com>
Date:   Sat Sep 21 17:53:43 2013 +0100

st/xorg: add sanity checks after malloc

Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
Reviewed-by: Brian Paul <brianp at vmware.com>

---

 src/gallium/state_trackers/xorg/xorg_driver.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index dd243bc..097c354 100644
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -124,6 +124,9 @@ Bool
 xorg_tracker_have_modesetting(ScrnInfoPtr pScrn, struct pci_device *device)
 {
     char *BusID = malloc(64);
+
+    if (!BusID)
+	return FALSE;
     sprintf(BusID, "pci:%04x:%02x:%02x.%d",
 	    device->domain, device->bus,
 	    device->dev, device->func);
@@ -276,6 +279,9 @@ drv_init_drm(ScrnInfoPtr pScrn)
 	char *BusID;
 
 	BusID = malloc(64);
+	if (!BusID)
+	    return FALSE;
+
 	sprintf(BusID, "PCI:%d:%d:%d",
 		((ms->PciInfo->domain << 8) | ms->PciInfo->bus),
 		ms->PciInfo->dev, ms->PciInfo->func