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authorKay Sievers <kay.sievers@vrfy.org>2012-01-23 05:00:59 +0100
committerKay Sievers <kay.sievers@vrfy.org>2012-01-23 05:15:12 +0100
commit0ecfcbd4f758f9ff10926156eb8c7a7542650627 (patch)
tree18d7068a57cc06467b0bf89e0e0d0413e412a2e5
parentb0a00806770a7443d1710d58190a65b4f9f4f60e (diff)
print warning when rules try to rename kernel device nodes
-rw-r--r--src/udev-rules.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/udev-rules.c b/src/udev-rules.c
index 8efc498f75..a5b4b7306a 100644
--- a/src/udev-rules.c
+++ b/src/udev-rules.c
@@ -2546,6 +2546,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
}
case TK_A_NAME: {
const char *name = &rules->buf[cur->key.value_off];
+
char name_str[UTIL_PATH_SIZE];
int count;
@@ -2559,6 +2560,16 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
if (count > 0)
info(event->udev, "%i character(s) replaced\n", count);
}
+ if (major(udev_device_get_devnum(event->dev))) {
+ size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
+
+ if (strcmp(name_str, &udev_device_get_devnode(event->dev)[devlen]) != 0) {
+ err(event->udev, "NAME=\"%s\" ignored, kernel device nodes "
+ "can not be renamed; please fix it in %s:%u\n", name,
+ &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
+ break;
+ }
+ }
free(event->name);
event->name = strdup(name_str);
info(event->udev, "NAME '%s' %s:%u\n",