[ Upstream commit
3f6f8a8c5e11a9b384a36df4f40f0c9a653b6975 ]
The opened file should be closed in main(), otherwise resource
leak will occur that this problem was discovered by code reading
Signed-off-by: zhujun2 <zhujun2@cmss.chinamobile.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
rc = read(fd, buf, sizeof(buf));
if (rc != 0) {
fprintf(stderr, "Reading a new var should return EOF\n");
+ close(fd);
return EXIT_FAILURE;
}
+ close(fd);
return EXIT_SUCCESS;
}