tools/hv: Fix exit() error code

Linux native exit codes are 8-bit unsigned values.  exit(-1) results
in an exit code of 255, which is usually reserved for shells reporting
'command not found'.  Use the portable value EXIT_FAILURE.  (Not that
this matters much for a daemon.)

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ben Hutchings 2012-09-05 14:37:36 -07:00 committed by Greg Kroah-Hartman
parent d5ab482799
commit 6bb22fea25

View file

@ -122,7 +122,7 @@ static void kvp_acquire_lock(int pool)
if (fcntl(kvp_file_info[pool].fd, F_SETLKW, &fl) == -1) {
syslog(LOG_ERR, "Failed to acquire the lock pool: %d", pool);
exit(-1);
exit(EXIT_FAILURE);
}
}
@ -134,7 +134,7 @@ static void kvp_release_lock(int pool)
if (fcntl(kvp_file_info[pool].fd, F_SETLK, &fl) == -1) {
perror("fcntl");
syslog(LOG_ERR, "Failed to release the lock pool: %d", pool);
exit(-1);
exit(EXIT_FAILURE);
}
}
@ -153,7 +153,7 @@ static void kvp_update_file(int pool)
if (!filep) {
kvp_release_lock(pool);
syslog(LOG_ERR, "Failed to open file, pool: %d", pool);
exit(-1);
exit(EXIT_FAILURE);
}
bytes_written = fwrite(kvp_file_info[pool].records,
@ -179,7 +179,7 @@ static void kvp_update_mem_state(int pool)
if (!filep) {
kvp_release_lock(pool);
syslog(LOG_ERR, "Failed to open file, pool: %d", pool);
exit(-1);
exit(EXIT_FAILURE);
}
while (!feof(filep)) {
readp = &record[records_read];
@ -196,7 +196,7 @@ static void kvp_update_mem_state(int pool)
if (record == NULL) {
syslog(LOG_ERR, "malloc failed");
exit(-1);
exit(EXIT_FAILURE);
}
continue;
}
@ -225,7 +225,7 @@ static int kvp_file_init(void)
if (access("/var/opt/hyperv", F_OK)) {
if (mkdir("/var/opt/hyperv", S_IRUSR | S_IWUSR | S_IROTH)) {
syslog(LOG_ERR, " Failed to create /var/opt/hyperv");
exit(-1);
exit(EXIT_FAILURE);
}
}
@ -1358,13 +1358,13 @@ int main(void)
if (kvp_file_init()) {
syslog(LOG_ERR, "Failed to initialize the pools");
exit(-1);
exit(EXIT_FAILURE);
}
fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
if (fd < 0) {
syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
exit(-1);
exit(EXIT_FAILURE);
}
addr.nl_family = AF_NETLINK;
addr.nl_pad = 0;
@ -1376,7 +1376,7 @@ int main(void)
if (error < 0) {
syslog(LOG_ERR, "bind failed; error:%d", error);
close(fd);
exit(-1);
exit(EXIT_FAILURE);
}
sock_opt = addr.nl_groups;
setsockopt(fd, 270, 1, &sock_opt, sizeof(sock_opt));
@ -1396,7 +1396,7 @@ int main(void)
if (len < 0) {
syslog(LOG_ERR, "netlink_send failed; error:%d", len);
close(fd);
exit(-1);
exit(EXIT_FAILURE);
}
pfd.fd = fd;
@ -1608,7 +1608,7 @@ int main(void)
len = netlink_send(fd, incoming_cn_msg);
if (len < 0) {
syslog(LOG_ERR, "net_link send failed; error:%d", len);
exit(-1);
exit(EXIT_FAILURE);
}
}