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selftests: firmware: only modprobe if driver is missing

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No need to load test_firmware if its already there.
Also use a more generic form to recommend what is required
to be built.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luis R. Rodriguez 2016-12-16 03:10:34 -08:00 committed by Greg Kroah-Hartman
parent 8a18f4284e
commit f5786313f0
1 changed files with 17 additions and 2 deletions
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19
tools/testing/selftests/firmware/fw_filesystem.sh
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@ -5,9 +5,24 @@
# 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
TEST_DIR=$(dirname $0)
test_modprobe()
{
if [ ! -d $DIR ]; then
echo "$0: $DIR not present"
echo "You must have the following enabled in your kernel:"
cat $TEST_DIR/config
exit 1
fi
}
trap "test_modprobe" EXIT
if [ ! -d $DIR ]; then
modprobe test_firmware
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