Messages in this thread Patch in this message | | | Subject | [PATCH] Possible null pointer in drivers/serial/core.c | From | Paul Larson <> | Date | 09 Oct 2002 13:17:19 -0500 |
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In core.c:uart_startup() line 210 I found a possible null pointer dereference at line 210: if (info->tty->termios->c_cflag & CBAUD)
There are other things around that same area that do the checking for info->tty before dereferencing it, so either they are unneeded, or this one needs a check too.
Thanks, Paul Larson -------------------- --- linux-2.5/drivers/serial/core.c Wed Oct 9 13:45:11 2002 +++ linux-corefix/drivers/serial/core.c Wed Oct 9 13:50:09 2002 @@ -207,7 +207,7 @@ * Setup the RTS and DTR signals once the * port is open and ready to respond. */ - if (info->tty->termios->c_cflag & CBAUD) + if (info->tty && (info->tty->termios->c_cflag & CBAUD)) uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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