mdev: fix a bug where we were eating argv[0] of helper
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 9d37b6c..5e1cd36 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -156,43 +156,45 @@
mode = strtoul(val, NULL, 8);
/* 4th field (opt): >alias */
- if (ENABLE_FEATURE_MDEV_RENAME) {
- if (!next)
- break;
+#if ENABLE_FEATURE_MDEV_RENAME
+ if (!next)
+ break;
+ if (*next == '>') {
+#if ENABLE_FEATURE_MDEV_RENAME_REGEXP
+ char *s, *p;
+ unsigned i, n;
+
val = next;
next = next_field(val);
- if (*val == '>') {
-#if ENABLE_FEATURE_MDEV_RENAME_REGEXP
- /* substitute %1..9 with off[1..9], if any */
- char *s, *p;
- unsigned i, n;
+ /* substitute %1..9 with off[1..9], if any */
+ n = 0;
+ s = val;
+ while (*s && *s++ == '%')
+ n++;
- n = 0;
- s = val;
- while (*s && *s++ == '%')
- n++;
-
- p = alias = xzalloc(strlen(val) + n * strlen(device_name));
- s = val + 1;
- while (*s) {
- *p = *s;
- if ('%' == *s) {
- i = (s[1] - '0');
- if (i <= 9 && off[i].rm_so >= 0) {
- n = off[i].rm_eo - off[i].rm_so;
- strncpy(p, device_name + off[i].rm_so, n);
- p += n - 1;
- s++;
- }
+ p = alias = xzalloc(strlen(val) + n * strlen(device_name));
+ s = val + 1;
+ while (*s) {
+ *p = *s;
+ if ('%' == *s) {
+ i = (s[1] - '0');
+ if (i <= 9 && off[i].rm_so >= 0) {
+ n = off[i].rm_eo - off[i].rm_so;
+ strncpy(p, device_name + off[i].rm_so, n);
+ p += n - 1;
+ s++;
}
- p++;
- s++;
}
-#else
- alias = xstrdup(val + 1);
-#endif
+ p++;
+ s++;
}
+#else
+ val = next;
+ next = next_field(val);
+ alias = xstrdup(val + 1);
+#endif
}
+#endif /* ENABLE_FEATURE_MDEV_RENAME */
/* The rest (opt): command to run */
if (!next)