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Temporary workaround (bandaid) for case where you have READ

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CAPACITY fail for a non-removable media device. There's a race
condition where the device entry is removed and then
xpt_release_ccb is called which attempts to give back the ccb
to a device that's now gone. In this bandaid release the ccb
early and then remember to not call xpt_release_ccb later.
This commit is contained in:
Matt Jacob 1999-01-03 22:57:54 +00:00
parent 539fb1799a
commit 918d0cf6b7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=42271
1 changed files with 5 additions and 3 deletions
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8
sys/cam/scsi/scsi_da.c
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@ -25,7 +25,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: scsi_da.c,v 1.15 1998/12/11 03:54:43 gibbs Exp $
* $Id: scsi_da.c,v 1.16 1998/12/23 16:48:17 mjacob Exp $
*/
#include "opt_hw_wdog.h"
@ -1367,7 +1367,8 @@ dadone(struct cam_periph *periph, union ccb *done_ccb)
printf("got CAM status %#x\n",
done_ccb->ccb_h.status);
}
xpt_release_ccb(done_ccb);
done_ccb = NULL;
xpt_print_path(periph->path);
printf("fatal error, failed"
" to attach to device\n");
@ -1397,7 +1398,8 @@ dadone(struct cam_periph *periph, union ccb *done_ccb)
/* No-op. We're polling */
return;
}
xpt_release_ccb(done_ccb);
if (done_ccb)
xpt_release_ccb(done_ccb);
}
static int