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libudev-monitor: rename monitor_set_nl_address() and make it return negative errno

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This commit is contained in:
Yu Watanabe 2018-08-24 16:47:30 +09:00
parent be1791ad6a
commit a062a72f1b
1 changed files with 10 additions and 10 deletions
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20
src/libudev/libudev-monitor.c
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@ -94,20 +94,20 @@ static struct udev_monitor *udev_monitor_new(struct udev *udev) {
return udev_monitor;
}
static void monitor_set_nl_address(struct udev_monitor *udev_monitor) {
static int udev_monitor_set_nl_address(struct udev_monitor *udev_monitor) {
union sockaddr_union snl;
socklen_t addrlen;
int r;
assert(udev_monitor);
/* get the address the kernel has assigned us
* it is usually, but not necessarily the pid
*/
/* Get the address the kernel has assigned us.
* It is usually, but not necessarily the pid. */
addrlen = sizeof(struct sockaddr_nl);
r = getsockname(udev_monitor->sock, &snl.sa, &addrlen);
if (r >= 0)
udev_monitor->snl.nl.nl_pid = snl.nl.nl_pid;
if (getsockname(udev_monitor->sock, &snl.sa, &addrlen) < 0)
return -errno;
udev_monitor->snl.nl.nl_pid = snl.nl.nl_pid;
return 0;
}
struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd) {
@ -154,7 +154,7 @@ struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const c
} else {
udev_monitor->bound = true;
udev_monitor->sock = fd;
monitor_set_nl_address(udev_monitor);
udev_monitor_set_nl_address(udev_monitor);
}
udev_monitor->snl.nl.nl_family = AF_NETLINK;
@ -349,7 +349,7 @@ _public_ int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor)
}
if (err >= 0)
monitor_set_nl_address(udev_monitor);
udev_monitor_set_nl_address(udev_monitor);
else
return log_debug_errno(errno, "bind failed: %m");