X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Frfkill%2Frfkill.c;h=5a90c778fb4033f2e25c1c24356b46efa1295b98;hb=4b7c1d5d6a006088910bac42ab3b777be9cf3cc1;hp=c7c659292abefb0fb0ece120bbf70878fe4dd47d;hpb=354806fb4632575fe2e399dd90ca607c9c127f3b;p=elogind.git diff --git a/src/rfkill/rfkill.c b/src/rfkill/rfkill.c index c7c659292..5a90c778f 100644 --- a/src/rfkill/rfkill.c +++ b/src/rfkill/rfkill.c @@ -28,8 +28,8 @@ int main(int argc, char *argv[]) { _cleanup_udev_unref_ struct udev *udev = NULL; _cleanup_udev_device_unref_ struct udev_device *device = NULL; - _cleanup_free_ char *saved = NULL, *escaped_name = NULL, *escaped_path_id = NULL; - const char *name, *path_id; + _cleanup_free_ char *saved = NULL, *escaped_type = NULL, *escaped_path_id = NULL; + const char *name, *type, *path_id; int r; if (argc != 3) { @@ -45,7 +45,7 @@ int main(int argc, char *argv[]) { r = mkdir_p("/var/lib/systemd/rfkill", 0755); if (r < 0) { - log_error("Failed to create rfkill directory: %s", strerror(-r)); + log_error_errno(r, "Failed to create rfkill directory: %m"); return EXIT_FAILURE; } @@ -55,25 +55,28 @@ int main(int argc, char *argv[]) { return EXIT_FAILURE; } - errno = 0; device = udev_device_new_from_subsystem_sysname(udev, "rfkill", argv[2]); if (!device) { - if (errno != 0) - log_error("Failed to get rfkill device '%s': %m", argv[2]); - else - log_oom(); - - return EXIT_FAILURE; + log_debug_errno(errno, "Failed to get rfkill device '%s', ignoring: %m", argv[2]); + return EXIT_SUCCESS; } name = udev_device_get_sysattr_value(device, "name"); if (!name) { - log_error("rfkill device has no name?"); - return EXIT_FAILURE; + log_error("rfkill device has no name? Ignoring device."); + return EXIT_SUCCESS; + } + + log_debug("Operating on rfkill device '%s'.", name); + + type = udev_device_get_sysattr_value(device, "type"); + if (!type) { + log_error("rfkill device has no type? Ignoring device."); + return EXIT_SUCCESS; } - escaped_name = cescape(name); - if (!escaped_name) { + escaped_type = cescape(type); + if (!escaped_type) { log_oom(); return EXIT_FAILURE; } @@ -86,9 +89,9 @@ int main(int argc, char *argv[]) { return EXIT_FAILURE; } - saved = strjoin("/var/lib/systemd/rfkill/", escaped_path_id, ":", escaped_name, NULL); + saved = strjoin("/var/lib/systemd/rfkill/", escaped_path_id, ":", escaped_type, NULL); } else - saved = strjoin("/var/lib/systemd/rfkill/", escaped_name, NULL); + saved = strjoin("/var/lib/systemd/rfkill/", escaped_type, NULL); if (!saved) { log_oom(); @@ -102,19 +105,17 @@ int main(int argc, char *argv[]) { return EXIT_SUCCESS; r = read_one_line_file(saved, &value); + if (r == -ENOENT) + return EXIT_SUCCESS; if (r < 0) { - - if (r == -ENOENT) - return EXIT_SUCCESS; - - log_error("Failed to read %s: %s", saved, strerror(-r)); + log_error_errno(r, "Failed to read %s: %m", saved); return EXIT_FAILURE; } r = udev_device_set_sysattr_value(device, "soft", value); if (r < 0) { - log_error("Failed to write system attribute: %s", strerror(-r)); - return EXIT_FAILURE; + log_debug_errno(r, "Failed to write 'soft' attribute on rfkill device, ignoring: %m"); + return EXIT_SUCCESS; } } else if (streq(argv[1], "save")) { @@ -122,13 +123,13 @@ int main(int argc, char *argv[]) { value = udev_device_get_sysattr_value(device, "soft"); if (!value) { - log_error("Failed to read system attribute: %s", strerror(-r)); - return EXIT_FAILURE; + log_debug_errno(r, "Failed to read system attribute, ignoring device: %m"); + return EXIT_SUCCESS; } r = write_string_file(saved, value); if (r < 0) { - log_error("Failed to write %s: %s", saved, strerror(-r)); + log_error_errno(r, "Failed to write %s: %m", saved); return EXIT_FAILURE; }