From: Pali Rohár <pali@kernel.org>
Date: Mon, 27 Dec 2021 13:05:47 +0000 (+0100)
Subject: libpci: sysfs: Implement support for PCI_FILL_DRIVER
X-Git-Tag: v3.8.0~30
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=9b744f7611b5831f0c47cb1a26a37cca88f1335c;p=pciutils.git

libpci: sysfs: Implement support for PCI_FILL_DRIVER

In sysfs is driver name stored as symlink path of "driver" node.
---

diff --git a/lib/sysfs.c b/lib/sysfs.c
index 735c144..ffa4f9d 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -461,6 +461,20 @@ sysfs_fill_info(struct pci_dev *d, unsigned int flags)
 	}
     }
 
+  if (want_fill(d, flags, PCI_FILL_DRIVER))
+    {
+      char *driver_path = sysfs_deref_link(d, "driver");
+      if (driver_path)
+        {
+          char *driver = strrchr(driver_path, '/');
+          driver = driver ? driver+1 : driver_path;
+          pci_set_property(d, PCI_FILL_DRIVER, driver);
+          free(driver_path);
+        }
+      else
+        clear_fill(d, PCI_FILL_DRIVER);
+    }
+
   pci_generic_fill_info(d, flags);
 }