[dpdk-stable] [PATCH v2] usertools/dpdk-setup.sh: fix dpdk-setup's behaviour on non-alphanumeric inputs

[Sarosh Arif]

Bugzilla ID: 419
Cc: stable at dpdk.org
Signed-off-by: Sarosh Arif <sarosh.arif at emumba.com>
---
 usertools/dpdk-setup.sh | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/usertools/dpdk-setup.sh b/usertools/dpdk-setup.sh
index e5bbe9fee..c27f89c5f 100755
--- a/usertools/dpdk-setup.sh
+++ b/usertools/dpdk-setup.sh
@@ -592,11 +592,17 @@ while [ "$QUIT" == "0" ]; do
 	echo "[$OPTION_NUM] Exit Script"
 	OPTIONS[$OPTION_NUM]="quit"
 	echo ""
-	echo -n "Option: "
-	read our_entry
+	read -p "Option: " our_entry
+       [ $? -eq 0 ] || exit 0
+
 	echo ""
-	${OPTIONS[our_entry]} ${our_entry}
-
+       numeric="^[[:digit:]]+$"
+       if [[ "$our_entry" =~ $numeric ]]; then
+     		${OPTIONS[our_entry]} ${our_entry}
+       else
+   		echo "Please enter a numeric value"
+       fi
+
 	if [ "$QUIT" == "0" ] ; then
 		echo
 		echo -n "Press enter to continue ..."; read
-- 
2.17.1