X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=namedev.c;h=cff338f1a719b635c06a33c765d2376f46869f4b;hp=949c2eedf681c6cc34dad8d0037197add32ba1bc;hb=fb43c2b2e8aee09662226cb8ee8cb9ac93f32890;hpb=2441c20743e62f135d1b52cb3fa47b29d59fbef6

diff --git a/namedev.c b/namedev.c
index 949c2eedf..cff338f1a 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);
@@ -652,9 +655,9 @@ static struct sysfs_device *get_sysfs_device(struct sysfs_class_device *class_de
 		if (isdigit(class_dev->path[strlen(class_dev->path)-1])) {
 			temp = strrchr(filename, '/');
 			if (temp) {
+				char *temp2 = strrchr(filename, '/');
 				partition = 1;
 				*temp = 0x00;
-				char *temp2 = strrchr(filename, '/');
 				dbg("temp2 = %s", temp2);
 				if (temp2 && (strcmp(temp2, "/block") == 0)) {
 					/* oops, we have no parent block device, so go back to original directory */