[PATCH] trivial namedev cleanup

[elogind.git] / namedev.c

diff --git a/namedev.c b/namedev.c
index e317cc685b0079e9d78552ae57dd7e9967279428..0a37ef2fbca2aee86d0c628cf1100d71cd67da1c 100644 (file)
--- a/namedev.c
+++ b/namedev.c
@@ -264,28 +264,30 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
                        }
                        break;
                case 's':
-                       if (attr != NULL) {
-                               tmpattr = find_sysfs_attribute(class_dev, sysfs_device, attr);
-                               if (tmpattr == NULL) {
-                                       dbg("sysfa attribute '%s' not found", attr);
-                                       break;
-                               }
-                               /* strip trailing whitespace of matching value */
-                               if (isspace(tmpattr->value[strlen(tmpattr->value)-1])) {
-                                       i = len = strlen(tmpattr->value);
-                                       while (i > 0 &&  isspace(tmpattr->value[i-1]))
-                                               i--;
-                                       if (i < len) {
-                                               tmpattr->value[i] = '\0';
-                                               dbg("remove %i trailing whitespace chars from '%s'",
-                                                        len - i, tmpattr->value);
-                                       }
-                               }
-                               strfieldcatmax(string, tmpattr->value, maxsize);
-                               dbg("substitute sysfs value '%s'", tmpattr->value);
-                       } else {
+                       if (!class_dev)
+                               break;
+                       if (attr == NULL) {
                                dbg("missing attribute");
+                               break;
+                       }
+                       tmpattr = find_sysfs_attribute(class_dev, sysfs_device, attr);
+                       if (tmpattr == NULL) {
+                               dbg("sysfa attribute '%s' not found", attr);
+                               break;
+                       }
+                       /* strip trailing whitespace of matching value */
+                       if (isspace(tmpattr->value[strlen(tmpattr->value)-1])) {
+                               i = len = strlen(tmpattr->value);
+                               while (i > 0 &&  isspace(tmpattr->value[i-1]))
+                                       i--;
+                               if (i < len) {
+                                       tmpattr->value[i] = '\0';
+                                       dbg("remove %i trailing whitespace chars from '%s'",
+                                                len - i, tmpattr->value);
+                               }
                        }
+                       strfieldcatmax(string, tmpattr->value, maxsize);
+                       dbg("substitute sysfs value '%s'", tmpattr->value);
                        break;
                case '%':
                        strfieldcatmax(string, "%", maxsize);
@@ -299,6 +301,8 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
                        }
                        break;
                case 'P':
+                       if (!class_dev)
+                               break;
                        class_dev_parent = sysfs_get_classdev_parent(class_dev);
                        if (class_dev_parent != NULL) {
                                struct udevice udev_parent;
@@ -306,8 +310,7 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
                                dbg("found parent '%s', get the node name", class_dev_parent->path);
                                memset(&udev_parent, 0x00, sizeof(struct udevice));
                                /* lookup the name in the udev_db with the DEVPATH of the parent */
-                               strfieldcpy(udev_parent.devpath, &class_dev_parent->path[strlen(sysfs_path)]);
-                               if (udev_db_get_device(&udev_parent) == 0) {
+                               if (udev_db_get_device_by_devpath(&udev_parent, &class_dev_parent->path[strlen(sysfs_path)]) == 0) {
                                        strfieldcatmax(string, udev_parent.name, maxsize);
                                        dbg("substitute parent node name'%s'", udev_parent.name);
                                } else
@@ -534,7 +537,7 @@ static int match_sysfs_pairs(struct config_device *dev, struct sysfs_class_devic
 static int match_id(struct config_device *dev, struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device)
 {
        char path[SYSFS_PATH_MAX];
-       char *temp = NULL;
+       char *temp;
 
        /* we have to have a sysfs device for ID to work */
        if (!sysfs_device)
@@ -553,32 +556,27 @@ static int match_id(struct config_device *dev, struct sysfs_class_device *class_
 static int match_place(struct config_device *dev, struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device)
 {
        char path[SYSFS_PATH_MAX];
-       int found;
-       char *temp = NULL;
+       char *temp;
 
        /* we have to have a sysfs device for PLACE to work */
        if (!sysfs_device)
                return -ENODEV;
 
-       found = 0;
        strfieldcpy(path, sysfs_device->path);
        temp = strrchr(path, '/');
        dbg("search '%s' in '%s', path='%s'", dev->place, temp, path);
-       if (strstr(temp, dev->place) != NULL) {
-               found = 1;
-       } else {
-               *temp = 0x00;
-               temp = strrchr(path, '/');
-               dbg("search '%s' in '%s', path='%s'", dev->place, temp, path);
-               if (strstr(temp, dev->place) != NULL)
-                       found = 1;
-       }
-       if (!found) {
-               dbg("place doesn't match");
-               return -ENODEV;
-       }
+       if (strstr(temp, dev->place) != NULL)
+               return 0;
 
-       return 0;
+       /* try the parent */
+       temp[0] = '\0';
+       temp = strrchr(path, '/');
+       dbg("search '%s' in '%s', path='%s'", dev->place, temp, path);
+       if (strstr(temp, dev->place) == NULL)
+               return 0;
+
+       dbg("place doesn't match");
+       return -ENODEV;
 }
 
 static int match_rule(struct udevice *udev, struct config_device *dev,
@@ -771,7 +769,7 @@ int namedev_name_device(struct udevice *udev, struct sysfs_class_device *class_d
                                dbg_parse("remove event should be ignored");
                        }
                        /* apply all_partitions option only at a main block device */
-                       if (dev->partitions && udev->type == 'b' && udev->kernel_number[0] == '\0') {
+                       if (dev->partitions && udev->type == BLOCK && udev->kernel_number[0] == '\0') {
                                udev->partitions = dev->partitions;
                                dbg("creation of partition nodes requested");
                        }
@@ -815,7 +813,7 @@ int namedev_name_device(struct udevice *udev, struct sysfs_class_device *class_d
                                strfieldcpy(udev->config_file, dev->config_file);
                                udev->config_line = dev->config_line;
 
-                               if (udev->type != 'n')
+                               if (udev->type != NET)
                                        dbg("name, '%s' is going to have owner='%s', group='%s', mode=%#o partitions=%i",
                                            udev->name, udev->owner, udev->group, udev->mode, udev->partitions);