[PATCH 2/3] Disable lvm2 udev rules if `dmsetup splitname` fails

If the output of `dmsetup splitname` cannot be trusted, the safest
option is to disable all lvm2 rules.
---
 udev/11-dm-lvm.rules.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/udev/11-dm-lvm.rules.in b/udev/11-dm-lvm.rules.in
index 7c58994..f7066b7 100644
--- a/udev/11-dm-lvm.rules.in
+++ b/udev/11-dm-lvm.rules.in
@@ -18,7 +18,7 @@ ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="lvm_end"
 ENV{DM_UUID}!="LVM-?*", GOTO="lvm_end"
 
 # Use DM name and split it up into its VG/LV/layer constituents.
-IMPORT{program}="(DM_EXEC)/dmsetup splitname --nameprefixes --noheadings --rows $env{DM_NAME}"
+IMPORT{program}!="(DM_EXEC)/dmsetup splitname --nameprefixes --noheadings --rows $env{DM_NAME}", GOTO="lvm_disable"
 
 # DM_SUBSYSTEM_UDEV_FLAG0 is the 'NOSCAN' flag for LVM subsystem.
 # This flag is used to temporarily disable selected rules to prevent any
-- 
Sincerely,
Demi Marie Obenour (she/her/hers)
Invisible Things Lab

_______________________________________________
linux-lvm mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/linux-lvm
read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

-----BEGIN PGP SIGNATURE-----

iQIzBAEBCAAdFiEEdodNnxM2uiJZBxxxsoi1X/+cIsEFAmJLaUIACgkQsoi1X/+c
IsGcrw/7BmFHMPOtV2I3GXiZLLEZrbj+OhkQqvfD4PccKM1Vl3TAwIRLLaPPTgHH
rAJqD3tHWvPPEo6VenLUHYk1Ga8RZJ7CMC6CNHpz3K4P3IJ1peo22qbnltz+mSnT
B9LuIDXBI3ovbEOA6fmDgeH6MQnQxvT+5N+OMtotqVbWYnaA3yhI30lNoiOo9OPx
zRl3OLZIjV80iifDSIWvpzIgEyeG7h5zqKE+fPYZ8G48BkdSEoYbPWTJgQRGB7RP
E38JWSDTY+y2KtEoWxbWGRHYAzKsLWg0NElKZYZk+4ftR3xluqClQ/gWkLA71XJX
LpDUXCNFjrZDgSPh1UJuIMn5Kp+c8kb6BEziXshyJVo6aq6dHL3eUpWrK3m/OQZT
rsP0/AgN+Fhsu3GneGvLDDc+lxnJewrL7xryJzueQy5loaq7JtPkutAeAOgt5Ryf
jnvxmgprupfPvpIPTW7PDg8ghTdvrKWQaqxsSxoFHnkYVv6Z3GWbsxmTIj9skpzU
otDnOtZrTfS3FY97xi8Kw2y1cRurTwQu1yR0pLf9x9YfmfJyDp816HXwdjPcbk2X
7/g2+Y7dVq5Gl0198SkTT/AJc2+sv5gHXacii/EPDvO5NIfFYa1/YYgiXttDpBjo
ylRpLuZiedrKC4UZXlf+1lfVVk0hT+W27IbYnyV2ae88pHRfVSs=
=tPMt
-----END PGP SIGNATURE-----