diff options
Diffstat (limited to 'src/udev/udev-event.c')
| -rw-r--r-- | src/udev/udev-event.c | 66 |
1 files changed, 26 insertions, 40 deletions
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c index 4761222786..54cd741bb1 100644 --- a/src/udev/udev-event.c +++ b/src/udev/udev-event.c @@ -15,26 +15,28 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <stdlib.h> -#include <stdio.h> -#include <stddef.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> #include <ctype.h> -#include <string.h> +#include <errno.h> +#include <fcntl.h> #include <net/if.h> -#include <sys/prctl.h> #include <poll.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> #include <sys/epoll.h> -#include <sys/wait.h> +#include <sys/prctl.h> #include <sys/signalfd.h> +#include <sys/wait.h> +#include <unistd.h> -#include "netlink-util.h" -#include "event-util.h" +#include "alloc-util.h" +#include "fd-util.h" #include "formats-util.h" +#include "netlink-util.h" #include "process-util.h" #include "signal-util.h" +#include "string-util.h" #include "udev.h" typedef struct Spawn { @@ -247,7 +249,7 @@ subst: if (event->program_result == NULL) break; - /* get part part of the result string */ + /* get part of the result string */ i = 0; if (attr != NULL) i = strtoul(attr, &rest, 10); @@ -438,9 +440,7 @@ static int spawn_exec(struct udev_event *event, execve(argv[0], argv, envp); /* exec failed */ - log_error_errno(errno, "failed to execute '%s' '%s': %m", argv[0], cmd); - - return -errno; + return log_error_errno(errno, "failed to execute '%s' '%s': %m", argv[0], cmd); } static void spawn_read(struct udev_event *event, @@ -637,7 +637,7 @@ static int spawn_wait(struct udev_event *event, .pid = pid, .accept_failure = accept_failure, }; - _cleanup_event_unref_ sd_event *e = NULL; + _cleanup_(sd_event_unrefp) sd_event *e = NULL; int r, ret; r = sd_event_new(&e); @@ -731,15 +731,13 @@ int udev_event_spawn(struct udev_event *event, /* pipes from child to parent */ if (result != NULL || log_get_max_level() >= LOG_INFO) { if (pipe2(outpipe, O_NONBLOCK) != 0) { - err = -errno; - log_error_errno(errno, "pipe failed: %m"); + err = log_error_errno(errno, "pipe failed: %m"); goto out; } } if (log_get_max_level() >= LOG_INFO) { if (pipe2(errpipe, O_NONBLOCK) != 0) { - err = -errno; - log_error_errno(errno, "pipe failed: %m"); + err = log_error_errno(errno, "pipe failed: %m"); goto out; } } @@ -753,14 +751,8 @@ int udev_event_spawn(struct udev_event *event, char program[UTIL_PATH_SIZE]; /* child closes parent's ends of pipes */ - if (outpipe[READ_END] >= 0) { - close(outpipe[READ_END]); - outpipe[READ_END] = -1; - } - if (errpipe[READ_END] >= 0) { - close(errpipe[READ_END]); - errpipe[READ_END] = -1; - } + outpipe[READ_END] = safe_close(outpipe[READ_END]); + errpipe[READ_END] = safe_close(errpipe[READ_END]); strscpy(arg, sizeof(arg), cmd); udev_build_argv(event->udev, arg, NULL, argv); @@ -784,14 +776,8 @@ int udev_event_spawn(struct udev_event *event, goto out; default: /* parent closed child's ends of pipes */ - if (outpipe[WRITE_END] >= 0) { - close(outpipe[WRITE_END]); - outpipe[WRITE_END] = -1; - } - if (errpipe[WRITE_END] >= 0) { - close(errpipe[WRITE_END]); - errpipe[WRITE_END] = -1; - } + outpipe[WRITE_END] = safe_close(outpipe[WRITE_END]); + errpipe[WRITE_END] = safe_close(errpipe[WRITE_END]); spawn_read(event, timeout_usec, @@ -862,11 +848,11 @@ void udev_event_execute_rules(struct udev_event *event, /* disable watch during event processing */ if (major(udev_device_get_devnum(dev)) != 0) udev_watch_end(event->udev, event->dev_db); - } - if (major(udev_device_get_devnum(dev)) == 0 && - streq(udev_device_get_action(dev), "move")) - udev_device_copy_properties(dev, event->dev_db); + if (major(udev_device_get_devnum(dev)) == 0 && + streq(udev_device_get_action(dev), "move")) + udev_device_copy_properties(dev, event->dev_db); + } udev_rules_apply_to_event(rules, event, timeout_usec, timeout_warn_usec, |