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Remove unneeded locking around xpt_bus_[de]register().

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MFC after:	2 weeks
This commit is contained in:
Alexander Motin 2020-11-24 14:05:52 +00:00
parent 219f1919ab
commit 1553bf11b9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=367985
1 changed files with 0 additions and 9 deletions
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9
sys/dev/isp/isp_freebsd.c
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@ -121,17 +121,12 @@ isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
if (sim == NULL)
return (ENOMEM);
ISP_LOCK(isp);
if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
ISP_UNLOCK(isp);
cam_sim_free(sim, FALSE);
return (EIO);
}
ISP_UNLOCK(isp);
if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
ISP_LOCK(isp);
xpt_bus_deregister(cam_sim_path(sim));
ISP_UNLOCK(isp);
cam_sim_free(sim, FALSE);
return (ENXIO);
}
@ -168,9 +163,7 @@ isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
"%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
xpt_free_path(fc->path);
ISP_LOCK(isp);
xpt_bus_deregister(cam_sim_path(fc->sim));
ISP_UNLOCK(isp);
cam_sim_free(fc->sim, FALSE);
return (ENOMEM);
}
@ -285,9 +278,7 @@ isp_attach(ispsoftc_t *isp)
ISP_GET_PC(isp, chan, sim, sim);
ISP_GET_PC(isp, chan, path, path);
xpt_free_path(path);
ISP_LOCK(isp);
xpt_bus_deregister(cam_sim_path(sim));
ISP_UNLOCK(isp);
cam_sim_free(sim, FALSE);
}
cam_simq_free(isp->isp_osinfo.devq);