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coverity: change a few things so that coverity doesn't show so many false positives

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This commit is contained in:
Lennart Poettering 2011-09-23 01:44:36 +02:00
parent 8ea913b2ea
commit f8440af5fe
8 changed files with 42 additions and 55 deletions
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2
src/dbus-manager.c
View File

@ -300,7 +300,7 @@ static int bus_manager_append_tainted(DBusMessageIter *i, const char *property,
free(p);
if (access("/proc/cgroups", F_OK) < 0)
e = stpcpy(e, "cgroups-missing ");
stpcpy(e, "cgroups-missing ");
t = strstrip(buf);

2
src/hostnamed.c
View File

@ -233,7 +233,7 @@ static int write_data_other(void) {
assert(name[p]);
if (isempty(data[p])) {
l = strv_env_unset(l, name[p]);
strv_env_unset(l, name[p]);
continue;
}

2
src/install.c
View File

@ -1904,7 +1904,7 @@ int unit_file_get_list(
} else if (r > 0) {
f->state = UNIT_FILE_DISABLED;
goto found;
} else if (r == 0) {
} else {
f->state = UNIT_FILE_STATIC;
goto found;
}

48
src/loginctl.c
View File

@ -64,6 +64,8 @@ static bool on_tty(void) {
}
static void pager_open_if_enabled(void) {
/* Cache result before we open the pager */
on_tty();
if (!arg_no_pager)
@ -1146,7 +1148,7 @@ finish:
}
static int activate(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int ret = 0;
DBusError error;
unsigned i;
@ -1157,6 +1159,8 @@ static int activate(DBusConnection *bus, char **args, unsigned n) {
dbus_error_init(&error);
for (i = 1; i < n; i++) {
DBusMessage *reply;
m = dbus_message_new_method_call(
"org.freedesktop.login1",
"/org/freedesktop/login1",
@ -1195,16 +1199,13 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return ret;
}
static int kill_session(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int ret = 0;
DBusError error;
unsigned i;
@ -1218,6 +1219,8 @@ static int kill_session(DBusConnection *bus, char **args, unsigned n) {
arg_kill_who = "all";
for (i = 1; i < n; i++) {
DBusMessage *reply;
m = dbus_message_new_method_call(
"org.freedesktop.login1",
"/org/freedesktop/login1",
@ -1255,16 +1258,13 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return ret;
}
static int enable_linger(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int ret = 0;
DBusError error;
unsigned i;
@ -1278,6 +1278,7 @@ static int enable_linger(DBusConnection *bus, char **args, unsigned n) {
b = streq(args[0], "enable-linger");
for (i = 1; i < n; i++) {
DBusMessage *reply;
uint32_t u;
uid_t uid;
@ -1327,16 +1328,13 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return ret;
}
static int terminate_user(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int ret = 0;
DBusError error;
unsigned i;
@ -1349,6 +1347,7 @@ static int terminate_user(DBusConnection *bus, char **args, unsigned n) {
for (i = 1; i < n; i++) {
uint32_t u;
uid_t uid;
DBusMessage *reply;
m = dbus_message_new_method_call(
"org.freedesktop.login1",
@ -1394,16 +1393,13 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return ret;
}
static int kill_user(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int ret = 0;
DBusError error;
unsigned i;
@ -1417,6 +1413,7 @@ static int kill_user(DBusConnection *bus, char **args, unsigned n) {
arg_kill_who = "all";
for (i = 1; i < n; i++) {
DBusMessage *reply;
uid_t uid;
uint32_t u;
@ -1465,16 +1462,13 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return ret;
}
static int attach(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int ret = 0;
DBusError error;
unsigned i;
@ -1486,6 +1480,8 @@ static int attach(DBusConnection *bus, char **args, unsigned n) {
dbus_error_init(&error);
for (i = 2; i < n; i++) {
DBusMessage *reply;
m = dbus_message_new_method_call(
"org.freedesktop.login1",
"/org/freedesktop/login1",
@ -1523,9 +1519,6 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return ret;
@ -1581,7 +1574,7 @@ finish:
}
static int terminate_seat(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int ret = 0;
DBusError error;
unsigned i;
@ -1592,6 +1585,8 @@ static int terminate_seat(DBusConnection *bus, char **args, unsigned n) {
dbus_error_init(&error);
for (i = 1; i < n; i++) {
DBusMessage *reply;
m = dbus_message_new_method_call(
"org.freedesktop.login1",
"/org/freedesktop/login1",
@ -1627,9 +1622,6 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return ret;

6
src/nspawn.c
View File

@ -197,8 +197,10 @@ static int mount_all(const char *dest) {
/* Fix the timezone, if possible */
if (asprintf(&where, "%s/%s", dest, "/etc/localtime") >= 0) {
mount("/etc/localtime", where, "bind", MS_BIND, NULL);
mount("/etc/localtime", where, "bind", MS_BIND|MS_REMOUNT|MS_RDONLY, NULL);
if (mount("/etc/localtime", where, "bind", MS_BIND, NULL) >= 0)
mount("/etc/localtime", where, "bind", MS_BIND|MS_REMOUNT|MS_RDONLY, NULL);
free(where);
}

9
src/strv.c
View File

@ -67,7 +67,8 @@ void strv_free(char **l) {
char **strv_copy(char **l) {
char **r, **k;
if (!(k = r = new(char*, strv_length(l)+1)))
k = r = new(char*, strv_length(l)+1);
if (!k)
return NULL;
if (l)
@ -198,7 +199,8 @@ char **strv_merge_concat(char **a, char **b, const char *suffix) {
if (!b)
return strv_copy(a);
if (!(r = new(char*, strv_length(a)+strv_length(b)+1)))
r = new(char*, strv_length(a) + strv_length(b) + 1);
if (!r)
return NULL;
k = r;
@ -324,7 +326,8 @@ char **strv_append(char **l, const char *s) {
if (!s)
return strv_copy(l);
if (!(r = new(char*, strv_length(l)+2)))
r = new(char*, strv_length(l)+2);
if (!r)
return NULL;
for (k = r; *l; k++, l++)

20
src/systemctl.c
View File

@ -137,6 +137,8 @@ static bool on_tty(void) {
}
static void pager_open_if_enabled(void) {
/* Cache result before we open the pager */
on_tty();
if (arg_no_pager)
@ -1055,7 +1057,7 @@ finish:
}
static int load_unit(DBusConnection *bus, char **args) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
DBusError error;
int r;
char **name;
@ -1066,6 +1068,7 @@ static int load_unit(DBusConnection *bus, char **args) {
assert(args);
STRV_FOREACH(name, args+1) {
DBusMessage *reply;
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
@ -1103,9 +1106,6 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return r;
@ -1795,7 +1795,7 @@ finish:
}
static int kill_unit(DBusConnection *bus, char **args) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int r = 0;
DBusError error;
char **name;
@ -1812,6 +1812,7 @@ static int kill_unit(DBusConnection *bus, char **args) {
arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process";
STRV_FOREACH(name, args+1) {
DBusMessage *reply;
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
@ -1851,9 +1852,6 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return r;
@ -3231,7 +3229,7 @@ finish:
}
static int reset_failed(DBusConnection *bus, char **args) {
DBusMessage *m = NULL, *reply = NULL;
DBusMessage *m = NULL;
int r;
DBusError error;
char **name;
@ -3243,6 +3241,7 @@ static int reset_failed(DBusConnection *bus, char **args) {
return daemon_reload(bus, args);
STRV_FOREACH(name, args+1) {
DBusMessage *reply;
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
@ -3279,9 +3278,6 @@ finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return r;

8
src/util.c
View File

@ -782,13 +782,7 @@ int read_full_file(const char *fn, char **contents, size_t *size) {
}
}
if (buf)
buf[l] = 0;
else if (!(buf = calloc(1, 1))) {
r = -errno;
goto finish;
}
buf[l] = 0;
*contents = buf;
buf = NULL;