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rgbfix: Add check to malloc()

Signed-off-by: Antonio Niño Díaz <[email protected]>

--- a/src/fix/main.c

+++ b/src/fix/main.c

@@ -380,6 +380,8 @@

 			warnx("ROM size is bigger than 8MiB");

 		buf = malloc(newsize - romsize);

+		if (buf == NULL)

+			errx(1, "Couldn't allocate memory for padded ROM.");

 		memset(buf, padvalue, newsize - romsize);

 		fwrite(buf, 1, newsize - romsize, rom);