drisw: Move pointer dereferences to after NULL checks.

diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c
index 8b68281fab0c39255f4d8248bca98c02bfaf3ac2..6f54981eba159bf4bb09d9709a04cdd1586c1ad2 100644 (file)
--- a/src/mesa/drivers/dri/swrast/swrast.c
+++ b/src/mesa/drivers/dri/swrast/swrast.c
@@ -602,12 +602,14 @@ dri_make_current(__DRIcontext * cPriv,
 
     if (cPriv) {
        struct dri_context *ctx = dri_context(cPriv);
-       struct dri_drawable *draw = dri_drawable(driDrawPriv);
-       struct dri_drawable *read = dri_drawable(driReadPriv);
+       struct dri_drawable *draw;
+       struct dri_drawable *read;
 
        if (!driDrawPriv || !driReadPriv)
            return GL_FALSE;
 
+       draw = dri_drawable(driDrawPriv);
+       read = dri_drawable(driReadPriv);
        mesaCtx = &ctx->Base;
        mesaDraw = &draw->Base;
        mesaRead = &read->Base;