linux-user: correct errno returned from accept4() syscall

accept4() returned wrong errno, that did not match current linux

Signed-off-by: Matus Kysel <mkysel@tachyum.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200930151616.3588165-1-mkysel@tachyum.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Matus Kysel 2020-09-30 17:16:16 +02:00 committed by Laurent Vivier
parent 0deb6556c3
commit e554eb4bb5

View File

@ -3491,16 +3491,16 @@ static abi_long do_accept4(int fd, abi_ulong target_addr,
return get_errno(safe_accept4(fd, NULL, NULL, host_flags));
}
/* linux returns EINVAL if addrlen pointer is invalid */
/* linux returns EFAULT if addrlen pointer is invalid */
if (get_user_u32(addrlen, target_addrlen_addr))
return -TARGET_EINVAL;
return -TARGET_EFAULT;
if ((int)addrlen < 0) {
return -TARGET_EINVAL;
}
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
return -TARGET_EINVAL;
return -TARGET_EFAULT;
addr = alloca(addrlen);