Messages in this thread Patch in this message | | | Date | Wed, 15 Sep 1999 07:01:11 -0700 | From | Mooneer Salem <> | Subject | [PATCH] extra memory checking in tty_io.c (2.2.12) |
| |
Below is a patch for 2.2.12 which adds extra checking in tty_unregister_driver to see if a NULL pointer was passed to it and returns normally if it does. I'm not sure if this would fix any bugs, but it's worth a shot:
--- tty_io.c Wed Aug 25 19:29:46 1999 +++ tty_io.c.new Tue Sep 14 20:24:15 1999 @@ -1982,6 +1982,10 @@ int found = 0; const char *othername = NULL; + if (!driver) { + return 0; + } + if (*driver->refcount) return -EBUSY;
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |