[PATCH v2 3/8] selftests: firmware: only modprobe if driver is missing

[Luis R. Rodriguez]

No need to load test_firmware if its already there.

Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxx>
---
 tools/testing/selftests/firmware/fw_filesystem.sh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh
index 5c495ad7958a..3ff573dc6009 100755
--- a/tools/testing/selftests/firmware/fw_filesystem.sh
+++ b/tools/testing/selftests/firmware/fw_filesystem.sh
@@ -5,10 +5,17 @@
 # know so we can be sure we're not accidentally testing the user helper.
 set -e
 
-modprobe test_firmware
-
 DIR=/sys/devices/virtual/misc/test_firmware
 
+if [ ! -d $DIR ]; then
+	modprobe test_firmware
+	if [ ! -d $DIR ]; then
+		echo "$0: $DIR not present"
+		echo "You must have CONFIG_TEST_FIRMWARE=m or CONFIG_TEST_FIRMWARE=y"
+		exit 1
+	fi
+fi
+
 # CONFIG_FW_LOADER_USER_HELPER has a sysfs class under /sys/class/firmware/
 # These days no one enables CONFIG_FW_LOADER_USER_HELPER so check for that
 # as an indicator for CONFIG_FW_LOADER_USER_HELPER.
-- 
2.8.2