A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 03:01:39 -04:00
Code Issues Projects Releases Packages Wiki Activity

xHCI: Cleanup isoc transfer ring when TD length mismatch found

Browse source 
When a TD length mismatch is found during isoc TRB enqueue, it directly
returns -EINVAL. However, isoc transfer is partially enqueued at this time,
and the ring should be cleared.

This should be backported to kernels as old as 2.6.36, which contain the
commit 522989a27c "xhci: Fix failed
enqueue in the middle of isoch TD."

Signed-off-by: Andiry Xu <[email protected]>
Signed-off-by: Sarah Sharp <[email protected]>
Cc: [email protected]
This commit is contained in:
Andiry Xu 2012-01-18 17:47:12 +08:00 • committed by Sarah Sharp
commit cf840551a8
1 changed files with 2 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/usb/host/xhci-ring.c
View file

@ -3324,7 +3324,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
/* Check TD length */
if (running_total != td_len) {
xhci_err(xhci, "ISOC TD length unmatch\n");
return -EINVAL;
ret = -EINVAL;
goto cleanup;
}
}