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Add missing locking after moving keepalive_send() to remote send thread

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in r214692.

MFC after:	1 week
This commit is contained in:
Pawel Jakub Dawidek 2011-02-03 11:33:32 +00:00
parent 7cf48ac8c8
commit 21e7bc5e52
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=218217
1 changed files with 9 additions and 3 deletions
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12
sbin/hastd/primary.c
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@ -1230,8 +1230,12 @@ keepalive_send(struct hast_resource *res, unsigned int ncomp)
{
struct nv *nv;
if (!ISCONNECTED(res, ncomp))
rw_rlock(&hio_remote_lock[ncomp]);
if (!ISCONNECTED(res, ncomp)) {
rw_unlock(&hio_remote_lock[ncomp]);
return;
}
PJDLOG_ASSERT(res->hr_remotein != NULL);
PJDLOG_ASSERT(res->hr_remoteout != NULL);
@ -1239,20 +1243,22 @@ keepalive_send(struct hast_resource *res, unsigned int ncomp)
nv = nv_alloc();
nv_add_uint8(nv, HIO_KEEPALIVE, "cmd");
if (nv_error(nv) != 0) {
rw_unlock(&hio_remote_lock[ncomp]);
nv_free(nv);
pjdlog_debug(1,
"keepalive_send: Unable to prepare header to send.");
return;
}
if (hast_proto_send(res, res->hr_remoteout, nv, NULL, 0) < 0) {
rw_unlock(&hio_remote_lock[ncomp]);
pjdlog_common(LOG_DEBUG, 1, errno,
"keepalive_send: Unable to send request");
nv_free(nv);
rw_unlock(&hio_remote_lock[ncomp]);
remote_close(res, ncomp);
rw_rlock(&hio_remote_lock[ncomp]);
return;
}
rw_unlock(&hio_remote_lock[ncomp]);
nv_free(nv);
pjdlog_debug(2, "keepalive_send: Request sent.");
}