M CHANGES → CHANGES

@@ -10,6 +10,7 @@ - GB Video: Fix 16-bit screenshots (fixes mgba.io/i/826)
  - GB Core: Fix palette loading when loading a foreign config
  - Qt: Fix LOG argument order
  - GB Memory: Prevent accessing empty SRAM (fixes mgba.io/i/831)
+ - GB, GBA: Fix crashes when attempting to identify null VFiles
 Misc:
  - Qt: Don't rebuild library view if style hasn't changed
  - SDL: Fix 2.0.5 build on macOS under some circumstances

M src/gb/gb.c → src/gb/gb.c

@@ -655,6 +655,9 @@ --cpu->pc;
 }
 
 bool GBIsROM(struct VFile* vf) {
+	if (!vf) {
+		return false;
+	}
 	vf->seek(vf, 0x104, SEEK_SET);
 	uint8_t header[4];
 

M src/gba/gba.c → src/gba/gba.c

@@ -475,6 +475,9 @@ gba->debugFlags = GBADebugFlagsClearSend(gba->debugFlags);
 }
 
 bool GBAIsROM(struct VFile* vf) {
+	if (!vf) {
+		return false;
+	}
 	if (vf->seek(vf, GBA_ROM_MAGIC_OFFSET, SEEK_SET) < 0) {
 		return false;
 	}