USB: handle idVendor of 0x0000

[~andy/linux] / scripts / mod / file2alias.c

diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 91c15da2680b4a90c7b1de34d5883eb0de2ee119..9ddf944cce290b7d38fc2982b852bc93d4c50001 100644 (file)
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -155,7 +155,7 @@ static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod)
         * Some modules (visor) have empty slots as placeholder for
         * run-time specification that results in catch-all alias
         */
-       if (!(id->idVendor | id->bDeviceClass | id->bInterfaceClass))
+       if (!(id->idVendor | id->idProduct | id->bDeviceClass | id->bInterfaceClass))
                return;
 
        /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */
@@ -525,6 +525,20 @@ static int do_ssb_entry(const char *filename,
        return 1;
 }
 
+/* Looks like: virtio:dNvN */
+static int do_virtio_entry(const char *filename, struct virtio_device_id *id,
+                          char *alias)
+{
+       id->device = TO_NATIVE(id->device);
+       id->vendor = TO_NATIVE(id->vendor);
+
+       strcpy(alias, "virtio:");
+       ADD(alias, "d", 1, id->device);
+       ADD(alias, "v", id->vendor != VIRTIO_DEV_ANY_ID, id->vendor);
+
+       return 1;
+}
+
 /* Ignore any prefix, eg. v850 prepends _ */
 static inline int sym_is(const char *symbol, const char *name)
 {
@@ -651,6 +665,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
                do_table(symval, sym->st_size,
                         sizeof(struct ssb_device_id), "ssb",
                         do_ssb_entry, mod);
+       else if (sym_is(symname, "__mod_virtio_device_table"))
+               do_table(symval, sym->st_size,
+                        sizeof(struct virtio_device_id), "virtio",
+                        do_virtio_entry, mod);
        free(zeros);
 }