Author: trasz
Date: Wed Jan 4 12:50:44 2017
New Revision: 311283
URL: https://svnweb.freebsd.org/changeset/base/311283
Log:
Don't release the cfiscsi session refcount too early. It wasn't
observed to fix any actual error, but it's the right thing to do
from the correctness point of view.
Tested by: Eugene M. Zheganin <emz at norma.perm.ru>
MFC after: 1 month
Modified:
head/sys/cam/ctl/ctl_frontend_iscsi.c
Modified: head/sys/cam/ctl/ctl_frontend_iscsi.c
==============================================================================
--- head/sys/cam/ctl/ctl_frontend_iscsi.c Wed Jan 4 10:08:18 2017
(r311282)
+++ head/sys/cam/ctl/ctl_frontend_iscsi.c Wed Jan 4 12:50:44 2017
(r311283)
@@ -2963,7 +2963,6 @@ cfiscsi_done(union ctl_io *io)
request = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
cs = PDU_SESSION(request);
- refcount_release(&cs->cs_outstanding_ctl_pdus);
switch (request->ip_bhs->bhs_opcode & ~ISCSI_BHS_OPCODE_IMMEDIATE) {
case ISCSI_BHS_OPCODE_SCSI_COMMAND:
@@ -2976,4 +2975,6 @@ cfiscsi_done(union ctl_io *io)
panic("cfiscsi_done called with wrong opcode 0x%x",
request->ip_bhs->bhs_opcode);
}
+
+ refcount_release(&cs->cs_outstanding_ctl_pdus);
}
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