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| author |   mikeb <mikeb@openbsd.org> | 2016-07-29 21:05:26 +0000 |
|---|---|---|
| committer | mikeb <mikeb@openbsd.org> | 2016-07-29 21:05:26 +0000 |
| commit | 55f4ff3de7886f674d9baf99ebdb78ee57c506be (patch) | |
| tree | 3a873328000151fcfabae0fb1e74a23da46d88d7 | |
| parent | add a check that the arguments to isavail don't overflow. (diff) | |
| download | wireguard-openbsd-55f4ff3de7886f674d9baf99ebdb78ee57c506be.tar.xz wireguard-openbsd-55f4ff3de7886f674d9baf99ebdb78ee57c506be.zip | |
Loop until we've read all available responses
| -rw-r--r-- | sys/dev/pv/xenstore.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/pv/xenstore.c b/sys/dev/pv/xenstore.c index c4647cfe3d2..b3c2ee9ac18 100644 --- a/sys/dev/pv/xenstore.c +++ b/sys/dev/pv/xenstore.c @@ -1,4 +1,4 @@ -/* $OpenBSD: xenstore.c,v 1.28 2016/04/19 18:15:41 mikeb Exp $ */ +/* $OpenBSD: xenstore.c,v 1.29 2016/07/29 21:05:26 mikeb Exp $ */ /* * Copyright (c) 2015 Mike Belopuhov @@ -530,6 +530,7 @@ xs_intr(void *arg) /* Response processing */ + again: if (xs->xs_rmsg == NULL) { if (avail < sizeof(xmh)) { printf("%s: incomplete header: %d\n", @@ -597,6 +598,9 @@ xs_intr(void *arg) } } + if ((avail = xs_ring_avail(xsr, 0)) > 0) + goto again; + out: /* Wakeup sleeping writes (if any) */ wakeup(xs->xs_wchan); |