Prevent memory leak

cmp_tool.c

@@ -384,7 +384,7 @@ int main(int argc, char **argv)
 				print_cmp_info(&info);
 
 			/* we reuse the entity buffer for the compressed data */
-			cmp_data_adr = (uint32_t *)ent;
+			cmp_data_adr = (uint32_t *)decomp_input_buf;
 			size = cmp_ent_get_cmp_data(ent, cmp_data_adr, buf_size);
 			ent = NULL;
 			if (size < 0)

lib/cmp_tool_lib.c

@@ -96,11 +96,7 @@ static FILE *open_file(const char *dirname, const char *filename)
 	}
 
 	errno = 0;
-	pathname = (char *) malloc((size_t)n + 1);
-	if (!pathname) {
-		perror("malloc failed");
-		abort();
-	}
+	pathname = (char *) alloca((size_t)n + 1);
 
 	errno = 0;
 	n = snprintf(pathname, (size_t)n + 1, "%s%s", dirname, filename);