[PATCH] splig LABEL and NUMBER into separate functions.

Now items are processed in priority order, fixing that bug.
This commit is contained in:
greg@kroah.com 2003-11-13 05:52:08 -08:00 committed by Greg KH
parent a38c862f88
commit ca1cc0fe74
1 changed files with 109 additions and 89 deletions

198
namedev.c
View File

@ -566,6 +566,107 @@ static int do_callout(struct sysfs_class_device *class_dev, struct udevice *udev
return -ENODEV;
}
static int do_label(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
{
struct sysfs_attribute *tmpattr = NULL;
struct config_device *dev;
struct list_head *tmp;
char *temp = NULL;
list_for_each(tmp, &config_device_list) {
dev = list_entry(tmp, struct config_device, node);
if (dev->type != LABEL)
continue;
dbg_parse("LABEL: match file '%s' with value '%s'",
dev->sysfs_file, dev->sysfs_value);
/* try to find the attribute in the class device directory */
tmpattr = sysfs_get_classdev_attr(class_dev, dev->sysfs_file);
if (tmpattr)
goto label_found;
/* look in the class device directory if present */
if (sysfs_device) {
tmpattr = sysfs_get_device_attr(sysfs_device, dev->sysfs_file);
if (tmpattr)
goto label_found;
}
continue;
label_found:
tmpattr->value[strlen(tmpattr->value)-1] = 0x00;
dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, tmpattr->value, dev->sysfs_value);
if (strcmp(dev->sysfs_value, tmpattr->value) != 0)
continue;
strcpy(udev->name, dev->name);
if (isdigit(class_dev->path[strlen(class_dev->path)-1])) {
temp = &class_dev->path[strlen(class_dev->path)-1];
strcat(udev->name, temp);
}
if (dev->mode != 0) {
udev->mode = dev->mode;
strcpy(udev->owner, dev->owner);
strcpy(udev->group, dev->group);
}
dbg_parse("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->sysfs_file, dev->sysfs_value, udev->name,
dev->owner, dev->group, dev->mode);
return 0;
}
return -ENODEV;
}
static int do_number(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
{
struct config_device *dev;
struct list_head *tmp;
char path[SYSFS_PATH_MAX];
int found;
char *temp = NULL;
/* we have to have a sysfs device for NUMBER to work */
if (!sysfs_device)
return -ENODEV;
list_for_each(tmp, &config_device_list) {
dev = list_entry(tmp, struct config_device, node);
if (dev->type != NUMBER)
continue;
found = 0;
strcpy(path, sysfs_device->path);
temp = strrchr(path, '/');
dbg_parse("NUMBER path = '%s'", path);
dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id);
if (strstr(temp, dev->id) != NULL) {
found = 1;
} else {
*temp = 0x00;
temp = strrchr(path, '/');
dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id);
if (strstr(temp, dev->id) != NULL)
found = 1;
}
if (!found)
continue;
strcpy(udev->name, dev->name);
if (dev->mode != 0) {
udev->mode = dev->mode;
strcpy(udev->owner, dev->owner);
strcpy(udev->group, dev->group);
}
dbg_parse("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->id, udev->name,
dev->owner, dev->group, dev->mode);
return 0;
}
return -ENODEV;
}
static int do_topology(struct sysfs_class_device *class_dev, struct udevice *udev, struct sysfs_device *sysfs_device)
{
struct config_device *dev;
@ -647,11 +748,9 @@ static int do_replace(struct sysfs_class_device *class_dev, struct udevice *udev
static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev)
{
struct list_head *tmp;
struct sysfs_device *sysfs_device = NULL;
struct sysfs_class_device *class_dev_parent = NULL;
int retval = 0;
int found;
char *temp = NULL;
udev->mode = 0;
@ -693,99 +792,20 @@ static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev)
} else {
dbg_parse("class_dev->name = '%s'", class_dev->name);
}
list_for_each(tmp, &config_device_list) {
struct config_device *dev = list_entry(tmp, struct config_device, node);
switch (dev->type) {
case LABEL:
{
struct sysfs_attribute *tmpattr = NULL;
dbg_parse("LABEL: match file '%s' with value '%s'",
dev->sysfs_file, dev->sysfs_value);
/* try to find the attribute in the class device directory */
tmpattr = sysfs_get_classdev_attr(class_dev, dev->sysfs_file);
if (tmpattr)
goto label_found;
/* look in the class device directory if present */
if (sysfs_device) {
tmpattr = sysfs_get_device_attr(sysfs_device, dev->sysfs_file);
if (tmpattr)
goto label_found;
}
continue;
label_found:
tmpattr->value[strlen(tmpattr->value)-1] = 0x00;
dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, tmpattr->value, dev->sysfs_value);
if (strcmp(dev->sysfs_value, tmpattr->value) != 0)
continue;
strcpy(udev->name, dev->name);
if (isdigit(class_dev->path[strlen(class_dev->path)-1])) {
temp = &class_dev->path[strlen(class_dev->path)-1];
strcat(udev->name, temp);
}
if (dev->mode != 0) {
udev->mode = dev->mode;
strcpy(udev->owner, dev->owner);
strcpy(udev->group, dev->group);
}
dbg_parse("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->sysfs_file, dev->sysfs_value, udev->name,
dev->owner, dev->group, dev->mode);
goto done;
break;
}
case NUMBER:
{
char path[SYSFS_PATH_MAX];
found = 0;
if (!sysfs_device)
continue;
s
rcpy(path, sysfs_device->path);
temp = strrchr(path, '/');
dbg_parse("NUMBER path = '%s'", path);
dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id);
if (strstr(temp, dev->id) != NULL) {
found = 1;
} else {
*temp = 0x00;
temp = strrchr(path, '/');
dbg_parse("NUMBERY temp = '%s' id = '%s'", temp, dev->id);
if (strstr(temp, dev->id) != NULL)
found = 1;
}
if (!found)
continue;
strcpy(udev->name, dev->name);
if (dev->mode != 0) {
udev->mode = dev->mode;
strcpy(udev->owner, dev->owner);
strcpy(udev->group, dev->group);
}
dbg_parse("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->id, udev->name,
dev->owner, dev->group, dev->mode);
goto done;
break;
}
case KERNEL_NAME:
default:
break;
}
}
/* rules are looked at in priority order */
retval = do_callout(class_dev, udev);
if (retval == 0)
goto done;
retval = do_label(class_dev, udev, sysfs_device);
if (retval == 0)
goto done;
retval = do_number(class_dev, udev, sysfs_device);
if (retval == 0)
goto done;
retval = do_topology(class_dev, udev, sysfs_device);
if (retval == 0)
goto done;