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Subject[ 23/52] tools/hv: Fix exit() error code
Date
3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Hutchings <ben@decadent.org.uk>

commit 6bb22fea25624ab593eee376fa5fb82d1b13f45a upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
tools/hv/hv_kvp_daemon.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -106,7 +106,7 @@ 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);
}
}

@@ -118,7 +118,7 @@ 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);
}
}

@@ -137,7 +137,7 @@ 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,
@@ -163,7 +163,7 @@ static void kvp_update_mem_state(int poo
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];
@@ -180,7 +180,7 @@ static void kvp_update_mem_state(int poo

if (record == NULL) {
syslog(LOG_ERR, "malloc failed");
- exit(-1);
+ exit(EXIT_FAILURE);
}
continue;
}
@@ -209,7 +209,7 @@ 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);
}
}

@@ -658,13 +658,13 @@ 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;
@@ -676,7 +676,7 @@ 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));
@@ -696,7 +696,7 @@ 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;
@@ -864,7 +864,7 @@ kvp_done:
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);
}
}




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