diff options
Diffstat (limited to 'udev_rules.c')
| -rw-r--r-- | udev_rules.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/udev_rules.c b/udev_rules.c index 2581dc2a78..2fca33d063 100644 --- a/udev_rules.c +++ b/udev_rules.c @@ -480,6 +480,8 @@ static int compare_sysfs_attribute(struct sysfs_class_device *class_dev, struct static int match_rule(struct udevice *udev, struct udev_rule *rule, struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device) { + struct sysfs_device *parent_device = sysfs_device; + if (rule->kernel[0] != '\0') { dbg("check for " KEY_KERNEL " rule->kernel='%s' class_dev->name='%s'", rule->kernel, class_dev->name); @@ -541,13 +543,13 @@ static int match_rule(struct udevice *udev, struct udev_rule *rule, while (1) { /* check for matching driver */ if (rule->driver[0] != '\0') { - if (sysfs_device == NULL) { + if (parent_device == NULL) { dbg("device has no sysfs_device"); goto exit; } dbg("check for " KEY_DRIVER " rule->driver='%s' sysfs_device->driver_name='%s'", - rule->driver, sysfs_device->driver_name); - if (strcmp_pattern(rule->driver, sysfs_device->driver_name) != 0) { + rule->driver, parent_device->driver_name); + if (strcmp_pattern(rule->driver, parent_device->driver_name) != 0) { dbg(KEY_DRIVER " is not matching"); if (rule->driver_operation != KEY_OP_NOMATCH) goto try_parent; @@ -561,13 +563,13 @@ static int match_rule(struct udevice *udev, struct udev_rule *rule, /* check for matching bus value */ if (rule->bus[0] != '\0') { - if (sysfs_device == NULL) { + if (parent_device == NULL) { dbg("device has no sysfs_device"); goto exit; } dbg("check for " KEY_BUS " rule->bus='%s' sysfs_device->bus='%s'", - rule->bus, sysfs_device->bus); - if (strcmp_pattern(rule->bus, sysfs_device->bus) != 0) { + rule->bus, parent_device->bus); + if (strcmp_pattern(rule->bus, parent_device->bus) != 0) { dbg(KEY_BUS " is not matching"); if (rule->bus_operation != KEY_OP_NOMATCH) goto try_parent; @@ -581,12 +583,12 @@ static int match_rule(struct udevice *udev, struct udev_rule *rule, /* check for matching bus id */ if (rule->id[0] != '\0') { - if (sysfs_device == NULL) { + if (parent_device == NULL) { dbg("device has no sysfs_device"); goto exit; } dbg("check " KEY_ID); - if (strcmp_pattern(rule->id, sysfs_device->bus_id) != 0) { + if (strcmp_pattern(rule->id, parent_device->bus_id) != 0) { dbg(KEY_ID " is not matching"); if (rule->id_operation != KEY_OP_NOMATCH) goto try_parent; @@ -607,7 +609,7 @@ static int match_rule(struct udevice *udev, struct udev_rule *rule, struct key_pair *pair; pair = &rule->sysfs_pair[i]; - if (compare_sysfs_attribute(class_dev, sysfs_device, pair) != 0) { + if (compare_sysfs_attribute(class_dev, parent_device, pair) != 0) { dbg(KEY_SYSFS "{'%s'} is not matching", pair->name); if (pair->operation != KEY_OP_NOMATCH) goto try_parent; @@ -624,11 +626,11 @@ static int match_rule(struct udevice *udev, struct udev_rule *rule, break; try_parent: dbg("try parent sysfs device"); - sysfs_device = sysfs_get_device_parent(sysfs_device); - if (sysfs_device == NULL) + parent_device = sysfs_get_device_parent(parent_device); + if (parent_device == NULL) goto exit; - dbg("look at sysfs_device->path='%s'", sysfs_device->path); - dbg("look at sysfs_device->bus_id='%s'", sysfs_device->bus_id); + dbg("look at sysfs_device->path='%s'", parent_device->path); + dbg("look at sysfs_device->bus_id='%s'", parent_device->bus_id); } /* execute external program */ |