diff options
| -rw-r--r-- | udev_db.c | 19 | ||||
| -rw-r--r-- | udev_remove.c | 21 |
2 files changed, 25 insertions, 15 deletions
@@ -68,10 +68,18 @@ int udev_db_add_device(struct udevice *udev) if (udev->test_run) return 0; - get_db_filename(udev->devpath, filename, sizeof(filename)); + /* don't write anything if udev created only the node with the + * kernel name without any interesting data to remember + */ + if (strcmp(udev->name, udev->kernel_name) == 0 && + list_empty(&udev->symlink_list) && list_empty(&udev->env_list) && + !udev->partitions && !udev->ignore_remove) { + dbg("nothing interesting to store in udevdb, skip"); + goto exit; + } + get_db_filename(udev->devpath, filename, sizeof(filename)); create_path(filename); - f = fopen(filename, "w"); if (f == NULL) { err("unable to create db file '%s'", filename); @@ -84,12 +92,15 @@ int udev_db_add_device(struct udevice *udev) list_for_each_entry(name_loop, &udev->symlink_list, node) fprintf(f, "S:%s\n", name_loop->name); fprintf(f, "M:%u:%u\n", major(udev->devt), minor(udev->devt)); - fprintf(f, "A:%u\n", udev->partitions); - fprintf(f, "R:%u\n", udev->ignore_remove); + if (udev->partitions) + fprintf(f, "A:%u\n", udev->partitions); + if (udev->ignore_remove) + fprintf(f, "R:%u\n", udev->ignore_remove); list_for_each_entry(name_loop, &udev->env_list, node) fprintf(f, "E:%s\n", name_loop->name); fclose(f); +exit: return 0; } diff --git a/udev_remove.c b/udev_remove.c index cf28ff37a9..b9a4384ee0 100644 --- a/udev_remove.c +++ b/udev_remove.c @@ -143,18 +143,17 @@ int udev_remove_device(struct udevice *udev) if (udev->type != DEV_BLOCK && udev->type != DEV_CLASS) return 0; - /* remove node only if we can find it in our database */ - if (udev_db_get_device(udev, udev->devpath) != 0) { - dbg("'%s' not found in database, ignore event", udev->name); - return -1; - } - if (udev->ignore_remove) { - dbg("remove event for '%s' requested to be ignored by rule", udev->name); - return 0; + if (udev_db_get_device(udev, udev->devpath) == 0) { + if (udev->ignore_remove) { + dbg("remove event for '%s' requested to be ignored by rule", udev->name); + return 0; + } + dbg("remove name='%s'", udev->name); + udev_db_delete_device(udev); + } else { + dbg("'%s' not found in database, using kernel name '%s'", udev->devpath, udev->kernel_name); + strlcpy(udev->name, udev->kernel_name, sizeof(udev->name)); } - dbg("remove name='%s'", udev->name); - udev_db_delete_device(udev); - /* use full path to the environment */ snprintf(udev->devname, sizeof(udev->devname), "%s/%s", udev_root, udev->name); udev->devname[sizeof(udev->devname)-1] = '\0'; |