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Code Issues Releases Activity

Extend SIM lock coverage during the bus registration process.

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This commit is contained in:
Alexander Motin 2012-10-13 17:55:06 +00:00
parent 72d27857dc
commit e6ce97d1b5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=241508
1 changed files with 7 additions and 8 deletions
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15
sys/cam/ctl/ctl_frontend_cam_sim.c
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@ -175,8 +175,8 @@ cfcs_init(void)
if (retval != 0) {
printf("%s: ctl_frontend_register() failed with error %d!\n",
__func__, retval);
retval = 1;
goto bailout;
mtx_destroy(&softc->lock);
return (1);
}
/*
@ -207,7 +207,7 @@ cfcs_init(void)
softc->wwpn = fe->wwpn;
}
mtx_lock(&softc->lock);
softc->devq = cam_simq_alloc(fe->num_requested_ctl_io);
if (softc->devq == NULL) {
printf("%s: error allocating devq\n", __func__);
@ -224,9 +224,7 @@ cfcs_init(void)
goto bailout;
}
mtx_lock(&softc->lock);
if (xpt_bus_register(softc->sim, NULL, 0) != CAM_SUCCESS) {
mtx_unlock(&softc->lock);
printf("%s: error registering SIM\n", __func__);
retval = ENOMEM;
goto bailout;
@ -236,15 +234,12 @@ cfcs_init(void)
cam_sim_path(softc->sim),
CAM_TARGET_WILDCARD,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
mtx_unlock(&softc->lock);
printf("%s: error creating path\n", __func__);
xpt_bus_deregister(cam_sim_path(softc->sim));
retval = 1;
goto bailout;
}
mtx_unlock(&softc->lock);
xpt_setup_ccb(&csa.ccb_h, softc->path, /*priority*/ 5);
csa.ccb_h.func_code = XPT_SASYNC_CB;
csa.event_enable = AC_LOST_DEVICE;
@ -252,6 +247,8 @@ cfcs_init(void)
csa.callback_arg = softc->sim;
xpt_action((union ccb *)&csa);
mtx_unlock(&softc->lock);
return (retval);
bailout:
@ -259,6 +256,8 @@ cfcs_init(void)
cam_sim_free(softc->sim, /*free_devq*/ TRUE);
else if (softc->devq)
cam_simq_free(softc->devq);
mtx_unlock(&softc->lock);
mtx_destroy(&softc->lock);
return (retval);
}