X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fproc.c;h=cb9d08d17768dd1379849ca505d58ebe33067fae;hb=9f9e373b17f1bc7363cc43aff0ad024eae0c5c36;hp=e9ca24d019f40f93bcc40fd0136dd4caa921fafb;hpb=caeac5c38e34c5282a0646a697acaa1fea22ddb7;p=pciutils.git

diff --git a/lib/proc.c b/lib/proc.c
index e9ca24d..cb9d08d 100644
--- a/lib/proc.c
+++ b/lib/proc.c
@@ -130,6 +130,15 @@ proc_setup(struct pci_dev *d, int rw)
 	a->error("File name too long");
       a->fd_rw = a->writeable || rw;
       a->fd = open(buf, a->fd_rw ? O_RDWR : O_RDONLY);
+      if (a->fd < 0)
+	{
+	  e = snprintf(buf, sizeof(buf), "%s/%04x:%02x/%02x.%d",
+		       pci_get_param(a, "proc.path"),
+		       d->domain, d->bus, d->dev, d->func);
+	  if (e < 0 || e >= (int) sizeof(buf))
+	    a->error("File name too long");
+	  a->fd = open(buf, a->fd_rw ? O_RDWR : O_RDONLY);
+	}
       if (a->fd < 0)
 	a->warning("Cannot open %s", buf);
       a->cached_dev = d;