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Reorder dacleanup() and cdcleanup() slightly so that the sysctl context is

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freed while the periph lock is not held.  While here, wait until after
freeing the softc before reacquiring the periph lock.

Tested by:	sbruno
This commit is contained in:
John Baldwin 2009-02-11 22:29:09 +00:00
parent 0b2ab5ec8e
commit be246f9e94
2 changed files with 9 additions and 8 deletions
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12
sys/cam/scsi/scsi_cd.c
View File

@ -401,11 +401,6 @@ cdcleanup(struct cam_periph *periph)
xpt_print(periph->path, "removing device entry\n");
if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
&& sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
xpt_print(periph->path, "can't remove sysctl context\n");
}
/*
* In the queued, non-active case, the device in question
* has already been removed from the changer run queue. Since this
@ -474,9 +469,14 @@ cdcleanup(struct cam_periph *periph)
free(softc->changer, M_DEVBUF);
}
cam_periph_unlock(periph);
if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
&& sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
xpt_print(periph->path, "can't remove sysctl context\n");
}
disk_destroy(softc->disk);
cam_periph_lock(periph);
free(softc, M_DEVBUF);
cam_periph_lock(periph);
}
static void

5
sys/cam/scsi/scsi_da.c
View File

@ -995,6 +995,8 @@ dacleanup(struct cam_periph *periph)
softc = (struct da_softc *)periph->softc;
xpt_print(periph->path, "removing device entry\n");
cam_periph_unlock(periph);
/*
* If we can't free the sysctl tree, oh well...
*/
@ -1003,11 +1005,10 @@ dacleanup(struct cam_periph *periph)
xpt_print(periph->path, "can't remove sysctl context\n");
}
cam_periph_unlock(periph);
disk_destroy(softc->disk);
callout_drain(&softc->sendordered_c);
cam_periph_lock(periph);
free(softc, M_DEVBUF);
cam_periph_lock(periph);
}
static void