[PATCH xf86-video-ati] return immediately in preinit when called with PROBE_DETECT

[Maarten Lankhorst]

This fixes a crash with Xorg -configure.

Bug:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1278046

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com>
---
diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index 21a420f..4a6c38e 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -781,6 +781,9 @@ Bool RADEONPreInit_KMS(ScrnInfoPtr pScrn, int flags)
      uint32_t tiling = 0;
      int cpp;
  
+    if (flags & PROBE_DETECT)
+        return TRUE;
+
      xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
  		   "RADEONPreInit_KMS\n");
      if (pScrn->numEntities != 1) return FALSE;