diff options
| author | aiju <devnull@localhost> | 2018-03-07 08:45:06 +0000 |
|---|---|---|
| committer | aiju <devnull@localhost> | 2018-03-07 08:45:06 +0000 |
| commit | 56405e091963c8b2dc9d71aa624e33c582102949 (patch) | |
| tree | 0fdb3c43b76e3354c128d1272192ef003fa8d973 /sys | |
| parent | 9226caf2a3bf88258665f4e3786c6abb8820d308 (diff) | |
usbehci: catch interrupt in tsleep
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/src/9/port/usbehci.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/src/9/port/usbehci.c b/sys/src/9/port/usbehci.c index a8120a516..6a9a7c031 100644 --- a/sys/src/9/port/usbehci.c +++ b/sys/src/9/port/usbehci.c @@ -3063,7 +3063,10 @@ cancelisoio(Ctlr *ctlr, Isoio *iso, ulong load) */ wakeup(iso); diprint("cancelisoio iso %#p waiting for I/O to cease\n", iso); - tsleep(&up->sleep, return0, 0, 5); + if(!waserror()){ + tsleep(&up->sleep, return0, 0, 5); + poperror(); + } qlock(iso); qunlock(iso); diprint("cancelisoio iso %#p releasing iso\n", iso); |