tools: remove absolute path of chmod for vfio setup

setup.sh uses /usr/bin/chmod, but depending on distribution, it is not always there.
For example, Ubuntu has /bin/chmod. Fix this by removing the absolute path, like it is
done e.g. with grep.

Signed-off-by: Andre Richter <andre.o.richter@gmail.com>

diff --git a/tools/setup.sh b/tools/setup.sh
index 245900f..ac438c2 100755 (executable)
--- a/tools/setup.sh
+++ b/tools/setup.sh
@@ -220,7 +220,7 @@ load_vfio_module()
 
        # make sure regular users can read /dev/vfio
        echo "chmod /dev/vfio"
-       sudo /usr/bin/chmod a+x /dev/vfio
+       sudo chmod a+x /dev/vfio
        if [ $? -ne 0 ] ; then
                echo "FAIL"
                quit
@@ -278,7 +278,7 @@ set_vfio_permissions()
 {
        # make sure regular users can read /dev/vfio
        echo "chmod /dev/vfio"
-       sudo /usr/bin/chmod a+x /dev/vfio
+       sudo chmod a+x /dev/vfio
        if [ $? -ne 0 ] ; then
                echo "FAIL"
                quit
@@ -287,7 +287,7 @@ set_vfio_permissions()
 
        # make sure regular user can access everything inside /dev/vfio
        echo "chmod /dev/vfio/*"
-       sudo /usr/bin/chmod 0666 /dev/vfio/*
+       sudo chmod 0666 /dev/vfio/*
        if [ $? -ne 0 ] ; then
                echo "FAIL"
                quit