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hyperv/vmbus: Commit the GPADL id only after the connection succeeds.

Browse source 
Minor style change.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8563
This commit is contained in:
Sepherosa Ziehau 2016-11-25 05:35:29 +00:00
parent cdb316ee87
commit eb812ea9ab
1 changed files with 8 additions and 7 deletions
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15
sys/dev/hyperv/vmbus/vmbus_chan.c
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@ -453,7 +453,7 @@ vmbus_chan_open_br(struct vmbus_channel *chan, const struct vmbus_chan_br *cbr,
failed:
vmbus_chan_clear_chmap(chan);
if (chan->ch_bufring_gpadl) {
if (chan->ch_bufring_gpadl != 0) {
vmbus_chan_gpadl_disconnect(chan, chan->ch_bufring_gpadl);
chan->ch_bufring_gpadl = 0;
}
@ -500,7 +500,6 @@ vmbus_chan_gpadl_connect(struct vmbus_channel *chan, bus_addr_t paddr,
* Allocate GPADL id.
*/
gpadl = vmbus_gpadl_alloc(sc);
*gpadl0 = gpadl;
/*
* Connect this GPADL to the target channel.
@ -579,11 +578,13 @@ vmbus_chan_gpadl_connect(struct vmbus_channel *chan, bus_addr_t paddr,
vmbus_chan_printf(chan, "gpadl_conn(chan%u) failed: %u\n",
chan->ch_id, status);
return EIO;
} else {
if (bootverbose) {
vmbus_chan_printf(chan,
"gpadl_conn(chan%u) succeeded\n", chan->ch_id);
}
}
/* Done; commit the GPADL id. */
*gpadl0 = gpadl;
if (bootverbose) {
vmbus_chan_printf(chan, "gpadl_conn(chan%u) succeeded\n",
chan->ch_id);
}
return 0;
}