[LTP] [PATCH v6] mpls01: Add --allow-unsupported for modprobe(fixing all mpls cases)

[Wei Gao via ltp <ltp@lists.linux.it>]

In sle-micro we encounter following error when do modprobe:
root# modprobe mpls_router
modprobe: ERROR: module 'mpls_router' is unsupported
modprobe: ERROR: Use --allow-unsupported or set allow_unsupported_modules 1 in
modprobe: ERROR: /etc/modprobe.d/10-unsupported-modules.conf
modprobe: ERROR: could not insert 'mpls_router': Operation not permitted

Signed-off-by: Wei Gao <wegao@suse.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
---
 testcases/network/mpls/mpls01.sh   |  4 ++--
 testcases/network/mpls/mpls_lib.sh | 12 +++++++++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/testcases/network/mpls/mpls01.sh b/testcases/network/mpls/mpls01.sh
index 196b5b2f9..e453f8130 100755
--- a/testcases/network/mpls/mpls01.sh
+++ b/testcases/network/mpls/mpls01.sh
@@ -21,7 +21,7 @@ cleanup()
 
 setup()
 {
-	ROD modprobe mpls_router
+	mpls_setup_driver
 }
 
 test1()
@@ -66,5 +66,5 @@ test3()
 	tst_res TPASS "created and removed mpls routes"
 }
 
-. tst_net.sh
+. mpls_lib.sh
 tst_run
diff --git a/testcases/network/mpls/mpls_lib.sh b/testcases/network/mpls/mpls_lib.sh
index 380b568bb..3c63e16a7 100755
--- a/testcases/network/mpls/mpls_lib.sh
+++ b/testcases/network/mpls/mpls_lib.sh
@@ -33,11 +33,21 @@ mpls_virt_cleanup()
 	mpls_cleanup
 }
 
+mpls_setup_driver()
+{
+	local args
+
+	grep -q 'sl-micro' /etc/os-release && args='--allow-unsupported'
+	if [ "$TST_NEEDS_DRIVERS" ]; then
+		tst_net_run -s "modprobe $args -a $TST_NEEDS_DRIVERS"
+	fi
+}
+
 mpls_setup()
 {
 	local label="$1"
 
-	tst_net_run -s "modprobe -a $TST_NEEDS_DRIVERS"
+	mpls_setup_driver
 
 	ROD sysctl -q net.mpls.conf.$(tst_iface).input=1
 	tst_set_sysctl net.mpls.conf.lo.input 1 safe
-- 
2.35.3


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