diff options
| -rwxr-xr-x | scripts/rescan-scsi-bus.sh | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/scripts/rescan-scsi-bus.sh b/scripts/rescan-scsi-bus.sh index 0c333846..f3e3b2c6 100755 --- a/scripts/rescan-scsi-bus.sh +++ b/scripts/rescan-scsi-bus.sh @@ -184,18 +184,21 @@ sgdevice26 () { local gendev + # if the scsi device has not been added, then there would not + # a related sgdev. So it's pointless to scan all sgs to find + # a related sg. + scsidev=/sys/class/scsi_device/${host}:${channel}:${id}:${lun} + if [ ! -e "$scsidev" ]; then + SGDEV="" + return + fi + gendev=/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/generic if [ -e "$gendev" ] ; then SGDEV=$(basename "$(readlink "$gendev")") - else - for SGDEV in /sys/class/scsi_generic/sg*; do - DEV=$(readlink "$SGDEV/device") - if [ "${DEV##*/}" = "$host:$channel:$id:$lun" ] ; then - SGDEV=$(basename "$SGDEV"); return - fi - done - SGDEV="" + return fi + SGDEV="" } # Find sg device with 2.4 report-devs extensions |