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| author | Vladimir Dergachev <volodya@mindspring.com> | 2004-12-12 20:42:29 +0000 |
|---|---|---|
| committer | Vladimir Dergachev <volodya@mindspring.com> | 2004-12-12 20:42:29 +0000 |
| commit | 8c1969f22fba2e1c9ed34d5ca77bee3a9f577640 (patch) | |
| tree | 277a2dff6797e115007ee7993200049563f343ef /src/radeon_accel.c | |
| parent | 8a9077bc70fd800983f138a224b95301992a2296 (diff) | |
Modified:
programs/Xserver/hw/xfree86/drivers/ati/radeon_render.c
programs/Xserver/hw/xfree86/drivers/ati/radeon_accel.c
Make DMA blitting code more robust.
Diffstat (limited to 'src/radeon_accel.c')
| -rw-r--r-- | src/radeon_accel.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/radeon_accel.c b/src/radeon_accel.c index 028f2727..ac422571 100644 --- a/src/radeon_accel.c +++ b/src/radeon_accel.c @@ -712,6 +712,10 @@ RADEONHostDataBlitCopyPass( unsigned int dstPitch, unsigned int srcPitch ){ + + /* RADEONHostDataBlitCopy can return NULL ! */ + if( (dst==NULL) || (src==NULL)) return; + if ( dstPitch == srcPitch ) { memcpy( dst, src, hpass * dstPitch ); |