diff options
Diffstat (limited to 'ims-pcu-sanity-check-against-missing-interfaces.patch')
| -rw-r--r-- | ims-pcu-sanity-check-against-missing-interfaces.patch | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/ims-pcu-sanity-check-against-missing-interfaces.patch b/ims-pcu-sanity-check-against-missing-interfaces.patch deleted file mode 100644 index 827a2b7ee..000000000 --- a/ims-pcu-sanity-check-against-missing-interfaces.patch +++ /dev/null @@ -1,39 +0,0 @@ -From a4200b7eb26271108586d3a7cf34a2f16d460e48 Mon Sep 17 00:00:00 2001 -From: Oliver Neukum <oneukum@suse.com> -Date: Thu, 17 Mar 2016 15:10:47 +0100 -Subject: [PATCH] ims-pcu: sanity check against missing interfaces - -A malicious device missing interface can make the driver oops. -Add sanity checking. - -Signed-off-by: Oliver Neukum <ONeukum@suse.com> -CC: stable@vger.kernel.org ---- - drivers/input/misc/ims-pcu.c | 4 ++++ - 1 file changed, 4 insertions(+) - -diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c -index ac1fa5f44580..9c0ea36913b4 100644 ---- a/drivers/input/misc/ims-pcu.c -+++ b/drivers/input/misc/ims-pcu.c -@@ -1663,6 +1663,8 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc - - pcu->ctrl_intf = usb_ifnum_to_if(pcu->udev, - union_desc->bMasterInterface0); -+ if (!pcu->ctrl_intf) -+ return -EINVAL; - - alt = pcu->ctrl_intf->cur_altsetting; - pcu->ep_ctrl = &alt->endpoint[0].desc; -@@ -1670,6 +1672,8 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc - - pcu->data_intf = usb_ifnum_to_if(pcu->udev, - union_desc->bSlaveInterface0); -+ if (!pcu->data_intf) -+ return -EINVAL; - - alt = pcu->data_intf->cur_altsetting; - if (alt->desc.bNumEndpoints != 2) { --- -2.5.0 - |