diff --git a/src/gallium/drivers/svga/Makefile b/src/gallium/drivers/svga/Makefile
index fe1d6d73841..d1413319c97 100644
--- a/src/gallium/drivers/svga/Makefile
+++ b/src/gallium/drivers/svga/Makefile
@@ -51,13 +51,7 @@ LIBRARY_INCLUDES = \
 	-I$(TOP)/src/gallium/drivers/svga/include
 
 LIBRARY_DEFINES = \
+	-std=gnu99 -fvisibility=hidden \
 	-DHAVE_STDINT_H -DHAVE_SYS_TYPES_H
 
-CC = gcc -fvisibility=hidden -msse -msse2
-
-# Set the gnu99 standard to enable anonymous structs in vmware headers.
-#
-CFLAGS = -Wall -Wmissing-prototypes -std=gnu99 -ffast-math \
-	$(OPT_FLAGS) $(PIC_FLAGS) $(ARCH_FLAGS) $(DEFINES) $(ASM_FLAGS)
-
 include ../../Makefile.template
diff --git a/src/gallium/state_trackers/xorg/xorg_composite.c b/src/gallium/state_trackers/xorg/xorg_composite.c
index eed7a7d63a5..4dbb490ca51 100644
--- a/src/gallium/state_trackers/xorg/xorg_composite.c
+++ b/src/gallium/state_trackers/xorg/xorg_composite.c
@@ -151,9 +151,11 @@ render_filter_to_gallium(int xrender_filter, int *out_filter)
    case PictFilterBest:
       *out_filter = PIPE_TEX_FILTER_LINEAR;
       break;
+   case PictFilterConvolution:
+      *out_filter = PIPE_TEX_FILTER_NEAREST;
+      return FALSE;
    default:
       debug_printf("Unknown xrender filter\n");
-   case PictFilterConvolution:
       *out_filter = PIPE_TEX_FILTER_NEAREST;
       return FALSE;
    }
diff --git a/src/gallium/state_trackers/xorg/xorg_xv.c b/src/gallium/state_trackers/xorg/xorg_xv.c
index a1e74fad598..e7f4900528d 100644
--- a/src/gallium/state_trackers/xorg/xorg_xv.c
+++ b/src/gallium/state_trackers/xorg/xorg_xv.c
@@ -446,7 +446,7 @@ display_video(ScrnInfoPtr pScrn, struct xorg_xv_port_priv *pPriv, int id,
    int x, y, w, h;
    struct exa_pixmap_priv *dst = exaGetPixmapDriverPrivate(pPixmap);
 
-   if (!dst->tex) {
+   if (dst && !dst->tex) {
 	xorg_exa_set_shared_usage(pPixmap);
 	pScrn->pScreen->ModifyPixmapHeader(pPixmap, 0, 0, 0, 0, 0, NULL);
    }
diff --git a/src/gallium/winsys/drm/vmware/core/Makefile b/src/gallium/winsys/drm/vmware/core/Makefile
index ff8f01b3222..a52957c1a5b 100644
--- a/src/gallium/winsys/drm/vmware/core/Makefile
+++ b/src/gallium/winsys/drm/vmware/core/Makefile
@@ -28,20 +28,8 @@ LIBRARY_INCLUDES = \
        $(shell pkg-config libdrm --cflags-only-I)
 
 LIBRARY_DEFINES = \
+       -std=gnu99 -fvisibility=hidden \
        -DHAVE_STDINT_H -D_FILE_OFFSET_BITS=64 \
        $(shell pkg-config libdrm --cflags-only-other)
 
-CC = gcc -fvisibility=hidden -msse -msse2
-
-# Set the gnu99 standard to enable anonymous structs in vmware headers.
-#
-CFLAGS = -Wall -Wmissing-prototypes -std=gnu99 -ffast-math \
-       $(OPT_FLAGS) $(PIC_FLAGS) $(ARCH_FLAGS) $(DEFINES) $(ASM_FLAGS)
-
 include ../../../../Makefile.template
-
-
-symlinks:
-
-
-include depend
diff --git a/src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c b/src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c
index b3515732a21..51e455f9254 100644
--- a/src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c
+++ b/src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c
@@ -331,6 +331,7 @@ vmw_ioctl_region_create(struct vmw_winsys_screen *vws, uint32_t size)
    return region;
 
  out_err1:
+   FREE(region);
    return NULL;
 }
 
diff --git a/src/gallium/winsys/drm/vmware/core/vmw_surface.c b/src/gallium/winsys/drm/vmware/core/vmw_surface.c
index 9ec4bf92726..c19e556df9f 100644
--- a/src/gallium/winsys/drm/vmware/core/vmw_surface.c
+++ b/src/gallium/winsys/drm/vmware/core/vmw_surface.c
@@ -39,7 +39,7 @@ vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst,
    struct pipe_reference *dst_ref;
    struct vmw_svga_winsys_surface *dst = *pdst;
    
-   if(*pdst == src || pdst == NULL)
+   if(pdst == NULL || *pdst == src)
       return;
    
    src_ref = src ? &src->refcnt : NULL;
diff --git a/src/glu/sgi/libtess/mesh.c b/src/glu/sgi/libtess/mesh.c
index ae861f86428..95f87cdc949 100644
--- a/src/glu/sgi/libtess/mesh.c
+++ b/src/glu/sgi/libtess/mesh.c
@@ -284,7 +284,12 @@ GLUhalfEdge *__gl_meshMakeEdge( GLUmesh *mesh )
   } 
 
   e = MakeEdge( &mesh->eHead );
-  if (e == NULL) return NULL;
+  if (e == NULL) {
+     memFree(newVertex1);
+     memFree(newVertex2);
+     memFree(newFace);
+     return NULL;
+  }
 
   MakeVertex( newVertex1, e, &mesh->vHead );
   MakeVertex( newVertex2, e->Sym, &mesh->vHead );
diff --git a/src/glu/sgi/libutil/mipmap.c b/src/glu/sgi/libutil/mipmap.c
index af647af73c9..c5faebd6a35 100644
--- a/src/glu/sgi/libutil/mipmap.c
+++ b/src/glu/sgi/libutil/mipmap.c
@@ -3526,6 +3526,8 @@ gluScaleImage(GLenum format, GLsizei widthin, GLsizei heightin,
     afterImage =
 	malloc(image_size(widthout, heightout, format, GL_UNSIGNED_SHORT));
     if (beforeImage == NULL || afterImage == NULL) {
+	free(beforeImage);
+	free(afterImage);
 	return GLU_OUT_OF_MEMORY;
     }
 
@@ -3760,6 +3762,7 @@ static int bitmapBuild2DMipmaps(GLenum target, GLint internalFormat,
 		    glPixelStorei(GL_UNPACK_SKIP_PIXELS,psm.unpack_skip_pixels);
 		    glPixelStorei(GL_UNPACK_ROW_LENGTH, psm.unpack_row_length);
 		    glPixelStorei(GL_UNPACK_SWAP_BYTES, psm.unpack_swap_bytes);
+		    free(newImage);
 		    return GLU_OUT_OF_MEMORY;
 		}
 	    }
@@ -7382,6 +7385,8 @@ int gluScaleImage3D(GLenum format,
    afterImage = malloc(imageSize3D(widthOut, heightOut, depthOut, format,
 				   GL_UNSIGNED_SHORT));
    if (beforeImage == NULL || afterImage == NULL) {
+       free(beforeImage);
+       free(afterImage);
        return GLU_OUT_OF_MEMORY;
    }
    retrieveStoreModes3D(&psm);
diff --git a/src/glx/x11/drisw_glx.c b/src/glx/x11/drisw_glx.c
index 15e15866582..1866b2cc870 100644
--- a/src/glx/x11/drisw_glx.c
+++ b/src/glx/x11/drisw_glx.c
@@ -250,12 +250,14 @@ driCreateContext(__GLXscreenConfigs * psc,
 {
    __GLXDRIcontextPrivate *pcp, *pcp_shared;
    __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) mode;
-   const __DRIcoreExtension *core = psc->core;
+   const __DRIcoreExtension *core;
    __DRIcontext *shared = NULL;
 
    if (!psc || !psc->driScreen)
       return NULL;
 
+   core = psc->core;
+
    if (shareList) {
       pcp_shared = (__GLXDRIcontextPrivate *) shareList->driContext;
       shared = pcp_shared->driContext;
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program.h b/src/mesa/drivers/dri/r300/compiler/radeon_program.h
index 33db3ea0ff8..03592884eb2 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_program.h
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_program.h
@@ -191,7 +191,7 @@ struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register
 
 static inline void reset_srcreg(struct rc_src_register* reg)
 {
-	memset(reg, 0, sizeof(reg));
+	memset(reg, 0, sizeof(struct rc_src_register));
 	reg->Swizzle = RC_SWIZZLE_XYZW;
 }
 
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
index 0326d252339..ced66af1eb5 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
@@ -560,23 +560,23 @@ static void sincos_constants(struct radeon_compiler* c, unsigned int *constants)
  * MAD dest, tmp.y, weight, tmp.x
  */
 static void sin_approx(
-	struct radeon_compiler* c, struct rc_instruction * before,
+	struct radeon_compiler* c, struct rc_instruction * inst,
 	struct rc_dst_register dst, struct rc_src_register src, const unsigned int* constants)
 {
 	unsigned int tempreg = rc_find_free_temporary(c);
 
-	emit2(c, before, RC_OPCODE_MUL, 0, dstregtmpmask(tempreg, RC_MASK_XY),
+	emit2(c, inst->Prev, RC_OPCODE_MUL, 0, dstregtmpmask(tempreg, RC_MASK_XY),
 		swizzle(src, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X),
 		srcreg(RC_FILE_CONSTANT, constants[0]));
-	emit3(c, before, RC_OPCODE_MAD, 0, dstregtmpmask(tempreg, RC_MASK_X),
+	emit3(c, inst->Prev, RC_OPCODE_MAD, 0, dstregtmpmask(tempreg, RC_MASK_X),
 		swizzle(srcreg(RC_FILE_TEMPORARY, tempreg), RC_SWIZZLE_Y, RC_SWIZZLE_Y, RC_SWIZZLE_Y, RC_SWIZZLE_Y),
 		absolute(swizzle(src, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X)),
 		swizzle(srcreg(RC_FILE_TEMPORARY, tempreg), RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X));
-	emit3(c, before, RC_OPCODE_MAD, 0, dstregtmpmask(tempreg, RC_MASK_Y),
+	emit3(c, inst->Prev, RC_OPCODE_MAD, 0, dstregtmpmask(tempreg, RC_MASK_Y),
 		swizzle(srcreg(RC_FILE_TEMPORARY, tempreg), RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X),
 		absolute(swizzle(srcreg(RC_FILE_TEMPORARY, tempreg), RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X)),
 		negate(swizzle(srcreg(RC_FILE_TEMPORARY, tempreg), RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X)));
-	emit3(c, before, RC_OPCODE_MAD, 0, dst,
+	emit3(c, inst->Prev, RC_OPCODE_MAD, 0, dst,
 		swizzle(srcreg(RC_FILE_TEMPORARY, tempreg), RC_SWIZZLE_Y, RC_SWIZZLE_Y, RC_SWIZZLE_Y, RC_SWIZZLE_Y),
 		swizzle(srcreg(RC_FILE_CONSTANT, constants[0]), RC_SWIZZLE_W, RC_SWIZZLE_W, RC_SWIZZLE_W, RC_SWIZZLE_W),
 		swizzle(srcreg(RC_FILE_TEMPORARY, tempreg), RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X));
diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index f4f2be48c37..b37039429f4 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -570,7 +570,7 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
 static FetchTexelFuncF
 _mesa_get_texel_fetch_func(gl_format format, GLuint dims)
 {
-   FetchTexelFuncF f;
+   FetchTexelFuncF f = NULL;
    GLuint i;
    /* XXX replace loop with direct table lookup */
    for (i = 0; i < MESA_FORMAT_COUNT; i++) {