tools: ascending order PCI scan

8a54ecac · garcialasheras · Federico Vaga · e84a063d · 8a54ecac
Commit 8a54ecac authored Jul 23, 2014 by garcialasheras Committed by Federico Vaga Jul 23, 2014
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Showing with 5 additions and 4 deletions

speclib.c tools/speclib.c +5 -4

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--- a/tools/speclib.c
+++ b/tools/speclib.c
@@ -83,18 +83,19 @@ static int spec_check_id(int bus, int dev)
 static int spec_scan(int *bus, int *devfn)
 {
 	struct dirent **namelist;
-	int n, found = 0;
+	int n, i, found = 0;
 	int my_bus, my_devfn;
+	// Automatic search for the first availabe card
 	n = scandir("/sys/bus/pci/devices/", &namelist, 0, 0);
 	if (n < 0)
 	{
 		perror("scandir");
 		exit(-1);
 	} else {
-		while (n--)
+		for(i = 0; i < n; i++)
 		{
-			if(!found && sscanf(namelist[n]->d_name,
+			if(!found && sscanf(namelist[i]->d_name,
 					    "0000:%02x:%02x.0",
 					    &my_bus, &my_devfn) == 2)
 			{
@@ -108,7 +109,7 @@ static int spec_scan(int *bus, int *devfn)
 				}
 			}
-			free(namelist[n]);
+			free(namelist[i]);
 		}
 		free(namelist);
 	}