On Fri, Jun 23, 2017 at 04:29:50PM +0200, Johannes Thumshirn wrote: > Add two helpers to check whether a device is attached via PCI and to get the > PCI device from a TEST_DEV > > Signed-off-by: Johannes Thumshirn <jthumshirn@xxxxxxx> > --- > common/rc | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/common/rc b/common/rc > index b01f936b878b..497cf81ec475 100644 > --- a/common/rc > +++ b/common/rc > @@ -120,3 +120,18 @@ _test_dev_queue_set() { > fi > echo "$2" >"${TEST_DEV_SYSFS}/queue/$1" > } > + > +_test_dev_is_pci() { > + if ! readlink -f "$TEST_DEV_SYSFS/device" | grep -q pci; then > + SKIP_REASON="$TEST_DEV is not a PCI device" > + return 1 > + fi > + return 0 > +} > + > +_get_pci_dev_from_blkdev() { > + pdev="$(readlink -f "$TEST_DEV_SYSFS/device" | \ > + grep -Eo '[0-9a-f]{4}:[0-9a-f]{2}:[0-9a-f]{2}\.[0-9a-f]')" > + > + echo "$pdev" > +} No need to do pdev=$(blah) and then echo $pdev, you can just do _get_pci_dev_from_blkdev() { readlink -f "$TEST_DEV_SYSFS/device" | grep -Eo '[0-9a-f]{4}:[0-9a-f]{2}:[0-9a-f]{2}\.[0-9a-f]' } I'll fix that up when I commit it. Looks good otherwise.