modprobe: revert checking for /, stop doing basename() on modprobe args

function                                             old     new   delta
process_module                                       726     719      -7
filename2modname                                      81      67     -14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-21)             Total: -21 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 0 insertions, 11 deletions

diff --git a/modutils/modprobe.c b/modutils/modprobe.c
index f0904285b..f08f0850d 100644
--- a/modutils/modprobe.c
+++ b/modutils/modprobe.c
@@ -238,17 +238,6 @@ static void add_probe(const char *name)
 {
         struct module_entry *m;
 
-        /*
-         * get_or_add_modentry() strips path from name and works
-         * on remaining basename.
-         * This would make "rmmod dir/name" and "modprobe dir/name"
-         * to work like "rmmod name" and "modprobe name",
-         * which is wrong, and can be abused via implicit modprobing:
-         * "ifconfig /usbserial up" tries to modprobe netdev-/usbserial.
-         */
-        if (strchr(name, '/'))
-                bb_error_msg_and_die("malformed module name '%s'", name);
-
         m = get_or_add_modentry(name);
         if (!(option_mask32 & (OPT_REMOVE | OPT_SHOW_DEPS))
          && (m->flags & MODULE_FLAG_LOADED)