Mesa (master): Fix crash when debug output is enabled and sarea is notset in r200Clear

[Jerome Glisse]

Module: Mesa
Branch: master
Commit: 4f1e141c116a1c230db7adfd1b70f09d484aa19b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4f1e141c116a1c230db7adfd1b70f09d484aa19b

Author: Pauli Nieminen <suokkos at gmail.com>
Date:   Tue Jun 23 16:43:00 2009 +0200

Fix crash when debug output is enabled and sarea is notset in r200Clear

---

 src/mesa/drivers/dri/r200/r200_ioctl.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/r200/r200_ioctl.c b/src/mesa/drivers/dri/r200/r200_ioctl.c
index 0b3398a..6560efd 100644
--- a/src/mesa/drivers/dri/r200/r200_ioctl.c
+++ b/src/mesa/drivers/dri/r200/r200_ioctl.c
@@ -196,7 +196,10 @@ static void r200Clear( GLcontext *ctx, GLbitfield mask )
    GLuint orig_mask = mask;
 
    if ( R200_DEBUG & DEBUG_IOCTL ) {
-       fprintf( stderr, "r200Clear %x %d\n", mask, rmesa->radeon.sarea->pfCurrentPage);
+	   if (rmesa->radeon.sarea)
+	       fprintf( stderr, "r200Clear %x %d\n", mask, rmesa->radeon.sarea->pfCurrentPage);
+	   else
+	       fprintf( stderr, "r200Clear %x radeon->sarea is NULL\n", mask);
    }
 
    {