usertools: check for pci.ids in /usr/share/misc

Debian and Ubuntu switched years ago from /usr/share/hwdata to
/usr/share/misc, and the former is just a compat symlink now.
We are starting to get bug reports to nudge us into changing.
So check the new path first, and the old one as a fallback.

Cc: stable@dpdk.org
Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>
Acked-by: David Marchand <david.marchand@redhat.com>

diff --git a/usertools/dpdk-pmdinfo.py b/usertools/dpdk-pmdinfo.py
index 9d5c636..12f2073 100755 (executable)
--- a/usertools/dpdk-pmdinfo.py
+++ b/usertools/dpdk-pmdinfo.py
@@ -561,7 +561,10 @@ def main(stream=None):
 
     pcifile_default = "./pci.ids"  # For unknown OS's assume local file
     if platform.system() == 'Linux':
-        pcifile_default = "/usr/share/hwdata/pci.ids"
+        # hwdata is the legacy location, misc is supported going forward
+        pcifile_default = "/usr/share/misc/pci.ids"
+        if not os.path.exists(pcifile_default):
+            pcifile_default = "/usr/share/hwdata/pci.ids"
     elif platform.system() == 'FreeBSD':
         pcifile_default = "/usr/local/share/pciids/pci.ids"
         if not os.path.exists(pcifile_default):