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-rw-r--r--namedev.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/namedev.c b/namedev.c
index 949c2eedf6..e69eba657a 100644
--- a/namedev.c
+++ b/namedev.c
@@ -200,11 +200,12 @@ static void apply_format(struct udevice *udev, unsigned char *string)
case 'D':
if (strlen(udev->kernel_number) == 0) {
strcat(pos, "disc");
+ dbg("substitute devfs disc");
break;
}
strcat(pos, "part");
strcat(pos, udev->kernel_number);
- dbg("substitute kernel number '%s'", udev->kernel_number);
+ dbg("substitute devfs part '%s'", udev->kernel_number);
break;
case 'm':
sprintf(pos, "%u", udev->minor);
@@ -229,8 +230,10 @@ static void apply_format(struct udevice *udev, unsigned char *string)
break;
}
}
- strcat(pos, pos3);
- dbg("substitute partial callout output '%s'", pos3);
+ if (pos3) {
+ strcat(pos, pos3);
+ dbg("substitute partial callout output '%s'", pos3);
+ }
} else {
strcat(pos, udev->callout_value);
dbg("substitute callout output '%s'", udev->callout_value);