selftests: forwarding: bridge_mdb: Make test more robust

Some test cases check that the group timer is (or isn't) 0. Instead of
grepping for "0.00" grep for " 0.00" as the former can also match
"260.00" which is the default group membership interval.

Fixes: b6d00da08610 ("selftests: forwarding: Add bridge MDB test")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-18-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/net/forwarding/bridge_mdb.sh b/tools/testing/selftests/net/forwarding/bridge_mdb.sh
index 4853b8e4f8d34d6d932614603645d6dea2411751..d0c6c499d5dab9852df8a15eb8244dd1a9230f9a 100755 (executable)
--- a/tools/testing/selftests/net/forwarding/bridge_mdb.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_mdb.sh
@@ -617,7 +617,7 @@ __cfg_test_port_ip_sg()
                grep -q "permanent"
        check_err $? "Entry not added as \"permanent\" when should"
        bridge -d -s mdb show dev br0 vid 10 | grep "$grp_key" | \
-               grep -q "0.00"
+               grep -q " 0.00"
        check_err $? "\"permanent\" entry has a pending group timer"
        bridge mdb del dev br0 port $swp1 $grp_key vid 10
 
@@ -626,7 +626,7 @@ __cfg_test_port_ip_sg()
                grep -q "temp"
        check_err $? "Entry not added as \"temp\" when should"
        bridge -d -s mdb show dev br0 vid 10 | grep "$grp_key" | \
-               grep -q "0.00"
+               grep -q " 0.00"
        check_fail $? "\"temp\" entry has an unpending group timer"
        bridge mdb del dev br0 port $swp1 $grp_key vid 10
 
@@ -659,7 +659,7 @@ __cfg_test_port_ip_sg()
                grep -q "permanent"
        check_err $? "Entry not marked as \"permanent\" after replace"
        bridge -d -s mdb show dev br0 vid 10 | grep "$grp_key" | \
-               grep -q "0.00"
+               grep -q " 0.00"
        check_err $? "Entry has a pending group timer after replace"
 
        bridge mdb replace dev br0 port $swp1 $grp_key vid 10 temp
@@ -667,7 +667,7 @@ __cfg_test_port_ip_sg()
                grep -q "temp"
        check_err $? "Entry not marked as \"temp\" after replace"
        bridge -d -s mdb show dev br0 vid 10 | grep "$grp_key" | \
-               grep -q "0.00"
+               grep -q " 0.00"
        check_fail $? "Entry has an unpending group timer after replace"
        bridge mdb del dev br0 port $swp1 $grp_key vid 10