Author: mav
Date: Mon Oct 5 07:40:18 2015
New Revision: 288702
URL: https://svnweb.freebsd.org/changeset/base/288702
Log:
MFC r281531 (by asomers):
Initialize async_arg_ptr in xpt_async when called with async_code
AC_ADVINFO_CHANGED.
Without this change, newly inserted hard disks won't always have their
physical path device nodes created. The problem reproduces most readily
when attaching a large number of disks at once.
Modified:
stable/10/sys/cam/cam_xpt.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/cam/cam_xpt.c
==============================================================================
--- stable/10/sys/cam/cam_xpt.c Mon Oct 5 07:38:22 2015 (r288701)
+++ stable/10/sys/cam/cam_xpt.c Mon Oct 5 07:40:18 2015 (r288702)
@@ -4268,8 +4268,10 @@ xpt_async(u_int32_t async_code, struct c
}
memcpy(ccb->casync.async_arg_ptr, async_arg, size);
ccb->casync.async_arg_size = size;
- } else if (size < 0)
+ } else if (size < 0) {
+ ccb->casync.async_arg_ptr = async_arg;
ccb->casync.async_arg_size = size;
+ }
if (path->device != NULL && path->device->lun_id != CAM_LUN_WILDCARD)
xpt_freeze_devq(path, 1);
else
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