shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 03:15:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

usbip: Fix vhci_urb_enqueue() URB null transfer buffer error path

Browse Source 
commit 2c904963b1 upstream.

Fix vhci_urb_enqueue() to print debug msg and return error instead of
failing with BUG_ON.

Signed-off-by: Shuah Khan <shuah@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shuah Khan
2019-01-24 14:46:42 -07:00
committed by Chris
parent 28f0889b63
commit b0e02f63fa
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/usb/usbip/vhci_hcd.c
View File

@@ -512,8 +512,10 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
}
vdev = &vhci->vdev[portnum-1];
/* patch to usb_sg_init() is in 2.5.60 */
BUG_ON(!urb->transfer_buffer && urb->transfer_buffer_length);
if (!urb->transfer_buffer && urb->transfer_buffer_length) {
dev_dbg(dev, "Null URB transfer buffer\n");
return -EINVAL;
}
spin_lock_irqsave(&vhci->lock, flags);