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coverity: fix uninitialized values and other reported problems

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daemons/lvmlockd/lvmlockd-core.c:5709: error[uninitStructMember]: Uninitialized struct member: ds.....
daemons/lvmlockd/lvmlockd-core.c:799: error[uninitstring]: Dangerous usage of 'version' (strncpy doesn't always null-terminate it)
daemons/lvmlockd/lvmlockd-core.c:646: error[memleakOnRealloc]: Common realloc mistake: 'pollfd' nulled but not freed upon failure
This commit is contained in:
Peter Rajnoha 2015-07-08 14:19:51 +02:00
parent 16e9b32c2f
commit 71f4fbfbde
1 changed files with 15 additions and 13 deletions
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28
daemons/lvmlockd/lvmlockd-core.c
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@ -624,6 +624,7 @@ fail:
static int add_pollfd(int fd)
{
int i, new_size;
struct pollfd *tmp_pollfd;
pthread_mutex_lock(&pollfd_mutex);
for (i = 0; i < pollfd_size; i++) {
@ -643,11 +644,12 @@ static int add_pollfd(int fd)
new_size = pollfd_size + ADD_POLL_SIZE;
pollfd = realloc(pollfd, new_size * sizeof(struct pollfd));
if (!pollfd) {
tmp_pollfd = realloc(pollfd, new_size * sizeof(struct pollfd));
if (!tmp_pollfd) {
log_error("can't alloc new size %d for pollfd", new_size);
return -ENOMEM;
}
pollfd = tmp_pollfd;
for (i = pollfd_size; i < new_size; i++) {
pollfd[i].fd = POLL_FD_UNUSED;
@ -790,7 +792,7 @@ int last_string_from_args(char *args_in, char *last)
int version_from_args(char *args, unsigned int *major, unsigned int *minor, unsigned int *patch)
{
char version[MAX_ARGS];
char version[MAX_ARGS+1];
char *major_str, *minor_str, *patch_str;
char *n, *d1, *d2;
@ -5606,16 +5608,16 @@ static void usage(char *prog, FILE *file)
int main(int argc, char *argv[])
{
daemon_state ds;
ds.daemon_main = main_loop;
ds.daemon_init = NULL;
ds.daemon_fini = NULL;
ds.pidfile = getenv("LVM_LVMLOCKD_PIDFILE");
ds.socket_path = getenv("LVM_LVMLOCKD_SOCKET");
ds.protocol = lvmlockd_protocol;
ds.protocol_version = lvmlockd_protocol_version;
ds.name = "lvmlockd";
daemon_state ds = {
.daemon_main = main_loop,
.daemon_init = NULL,
.daemon_fini = NULL,
.pidfile = getenv("LVM_LVMLOCKD_PIDFILE"),
.socket_path = getenv("LVM_LVMLOCKD_SOCKET"),
.protocol = lvmlockd_protocol,
.protocol_version = lvmlockd_protocol_version,
.name = "lvmlockd",
};
static struct option long_options[] = {
{"help", no_argument, 0, 'h' },