Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-02 00:51:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

usb: core: check for valid id_table when using the RefId feature

Browse Source 
When implementing the RefId feature, it was missed that id_tables can be
NULL under special circumstances. Bail out in that case.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wolfram Sang 2014-01-13 11:29:23 +01:00 committed by Greg Kroah-Hartman
parent f563926fed
commit 1b9fb31f7d
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/core/driver.c
View File

@ -73,6 +73,9 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids,
if (fields > 4) {
const struct usb_device_id *id = id_table;
if (!id)
return -ENODEV;
for (; id->match_flags; id++)
if (id->idVendor == refVendor && id->idProduct == refProduct)
break;