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[13/16] rtl8xxxu: Fix OOPS if user tries to add device via /sys

Message ID 1460666241-5365-14-git-send-email-Jes.Sorensen@redhat.com (mailing list archive)
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Jes Sorensen April 14, 2016, 8:37 p.m. UTC 
From: Jes Sorensen <Jes.Sorensen@redhat.com>

This driver relies on driver_info in struct usb_device_id, so allowing
adding a device via /sys/bus/usb/drivers/rtl8xxxu/new_id will cause a
NULL pointer dereference.

Set .no_dynamic_id = 1 to disable hot add of USB IDs.

Reported-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index cf7832b..2d92e64 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -10141,6 +10141,7 @@  static struct usb_driver rtl8xxxu_driver = {
 	.probe = rtl8xxxu_probe,
 	.disconnect = rtl8xxxu_disconnect,
 	.id_table = dev_table,
+	.no_dynamic_id = 1,
 	.disable_hub_initiated_lpm = 1,
 };