r300: Corrected the exit codes for consistency; they are all -1 for error now.

The one exception is 300FlushCmdBuf.

src/mesa/drivers/dri/r300/r300_cmdbuf.c

@@ -121,7 +121,7 @@ int r300FlushCmdBuf(r300ContextPtr r300, const char *caller)
 	UNLOCK_HARDWARE(&r300->radeon);
 
 	if (ret) {
-		fprintf(stderr, "drmRadeonCmdBuffer: %d (exiting)\n", ret);
+		fprintf(stderr, "drmRadeonCmdBuffer: %d\n", ret);
 		_mesa_exit(ret);
 	}
 

src/mesa/drivers/dri/r300/r300_maos.c

@@ -217,7 +217,7 @@ static void emit_vector(GLcontext * ctx,
 		break;
 	default:
 		assert(0);
-		_mesa_exit(1);
+		_mesa_exit(-1);
 		break;
 	}
 
@@ -243,7 +243,7 @@ void r300EmitElts(GLcontext * ctx, void *elts, unsigned long n_elts,
 		return;
 	} else if (r300IsGartMemory(rmesa, elts, 1)) {
 		WARN_ONCE("Pointer not within GART memory!\n");
-		_mesa_exit(1);
+		_mesa_exit(-1);
 	}
 
 	r300AllocDmaRegion(rmesa, rvb, n_elts * elt_size, elt_size);

src/mesa/drivers/dri/r300/r300_state.c

@@ -1514,7 +1514,7 @@ void r300_setup_rs_unit(GLcontext * ctx)
 
 		if (i == ctx->Const.MaxTextureUnits) {
 			fprintf(stderr, "\tno free texcoord found...\n");
-			_mesa_exit(0);
+			_mesa_exit(-1);
 		}
 
 		InputsRead |= (FRAG_BIT_TEX0 << i);

src/mesa/drivers/dri/r300/r300_texmem.c

@@ -485,7 +485,7 @@ static void uploadSubImage( r300ContextPtr rmesa, r300TexObjPtr t,
 		fprintf( stderr, "    blit width=%d height=%d data=%p\n",
 				t->image[face][hwlevel].width, t->image[face][hwlevel].height,
 				t->image[face][hwlevel].data );
-		_mesa_exit( 1 );
+		_mesa_exit(-1);
 	}
 }
 

src/mesa/drivers/dri/r300/r300_vertprog.c

@@ -173,7 +173,7 @@ static unsigned long t_dst_class(enum register_file file)
 		*/
 		default:
 			fprintf(stderr, "problem in %s", __FUNCTION__);
-			_mesa_exit(0);
+			_mesa_exit(-1);
 	}
 }
 
@@ -207,7 +207,7 @@ static unsigned long t_src_class(enum register_file file)
 		*/
 		default:
 			fprintf(stderr, "problem in %s", __FUNCTION__);
-			_mesa_exit(0);
+			_mesa_exit(-1);
 	}
 }
 
@@ -1080,7 +1080,7 @@ void r300_select_vertex_shader(r300ContextPtr r300)
 
 		if(i == ctx->Const.MaxTextureUnits){
 			fprintf(stderr, "\tno free texcoord found\n");
-			_mesa_exit(0);
+			_mesa_exit(-1);
 		}
 
 		InputsRead |= (FRAG_BIT_TEX0 << i);