Added missing calls to SDL_InvalidParamError("surface")

src/video/SDL_surface.c

@@ -285,7 +285,7 @@ int SDL_SetSurfaceRLE(SDL_Surface *surface, int flag)
     int flags;
 
     if (surface == NULL) {
-        return -1;
+        return SDL_InvalidParamError("surface");
     }
 
     flags = surface->map->info.flags;
@@ -468,7 +468,7 @@ int SDL_SetSurfaceColorMod(SDL_Surface *surface, Uint8 r, Uint8 g, Uint8 b)
     int flags;
 
     if (surface == NULL) {
-        return -1;
+        return SDL_InvalidParamError("surface");
     }
 
     surface->map->info.r = r;
@@ -490,7 +490,7 @@ int SDL_SetSurfaceColorMod(SDL_Surface *surface, Uint8 r, Uint8 g, Uint8 b)
 int SDL_GetSurfaceColorMod(SDL_Surface *surface, Uint8 *r, Uint8 *g, Uint8 *b)
 {
     if (surface == NULL) {
-        return -1;
+        return SDL_InvalidParamError("surface");
     }
 
     if (r) {
@@ -510,7 +510,7 @@ int SDL_SetSurfaceAlphaMod(SDL_Surface *surface, Uint8 alpha)
     int flags;
 
     if (surface == NULL) {
-        return -1;
+        return SDL_InvalidParamError("surface");
     }
 
     surface->map->info.a = alpha;
@@ -530,7 +530,7 @@ int SDL_SetSurfaceAlphaMod(SDL_Surface *surface, Uint8 alpha)
 int SDL_GetSurfaceAlphaMod(SDL_Surface *surface, Uint8 *alpha)
 {
     if (surface == NULL) {
-        return -1;
+        return SDL_InvalidParamError("surface");
     }
 
     if (alpha) {
@@ -544,7 +544,7 @@ int SDL_SetSurfaceBlendMode(SDL_Surface *surface, SDL_BlendMode blendMode)
     int flags, status;
 
     if (surface == NULL) {
-        return -1;
+        return SDL_InvalidParamError("surface");
     }
 
     status = 0;
@@ -581,7 +581,7 @@ int SDL_SetSurfaceBlendMode(SDL_Surface *surface, SDL_BlendMode blendMode)
 int SDL_GetSurfaceBlendMode(SDL_Surface *surface, SDL_BlendMode *blendMode)
 {
     if (surface == NULL) {
-        return -1;
+        return SDL_InvalidParamError("surface");
     }
 
     if (blendMode == NULL) {