examples/mdev.conf.change_blockdev.sh: update

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/examples/mdev.conf.change_blockdev.sh b/examples/mdev.conf.change_blockdev.sh
index a479a96..512e43f 100755 (executable)
--- a/examples/mdev.conf.change_blockdev.sh
+++ b/examples/mdev.conf.change_blockdev.sh
@@ -13,12 +13,17 @@ echo "Env:"
 env | sort
 
 while sleep 1; test $cnt != 0; do
-       echo "Trying to rereat partition table on $DEVNAME ($cnt)"
+       echo "Trying to reread partition table on $DEVNAME ($cnt)"
        : $((cnt--))
+       # If device node doesn't exist, it means the device was removed.
+       # Stop trying.
        test -e "$DEVNAME" || { echo "$DEVNAME doesn't exist, aborting"; exit 1; }
        #echo "$DEVNAME exists"
-       blockdev --rereadpt "$DEVNAME" && break
+       if blockdev --rereadpt "$DEVNAME"; then
+               echo "blockdev --rereadpt succeeded"
+               exit 0
+       fi
        echo "blockdev --rereadpt failed, exit code: $?"
 done
-echo "blockdev --rereadpt succeeded"
+echo "Timed out"
 ) &