mdev: revert last wrong commit
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 99e4875..7508930 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -101,8 +101,12 @@
return alias;
}
-/* mknod in /dev based on a path like "/sys/block/hda/hda1" */
-/* NB: "mdev -s" may call us many times, do not leak memory/fds! */
+/* mknod in /dev based on a path like "/sys/block/hda/hda1"
+ * NB1: path parameter needs to have SCRATCH_SIZE scratch bytes
+ * after NUL, but we promise to not mangle (IOW: to restore if needed)
+ * path string.
+ * NB2: "mdev -s" may call us many times, do not leak memory/fds!
+ */
static void make_device(char *path, int delete)
{
char *device_name;
@@ -565,10 +569,7 @@
make_device(temp, 1);
}
else if (strcmp(action, "add") == 0) {
- /* make_device mangles its parameter, use a copy */
- char *s = xstrdup(temp);
- make_device(s, 0);
- free(s);
+ make_device(temp, 0);
if (ENABLE_FEATURE_MDEV_LOAD_FIRMWARE) {
if (fw)
load_firmware(fw, temp);