Commit 7c64884b authored Oct 20, 2013 by Rashika Kheria Committed by Greg Kroah-Hartman Oct 25, 2013

Staging: sb105x: Fix a possible null dereference

This patch fixes the following error in sb_pc_mp.c-

drivers/staging/sb105x/sb_pci_mp.c:546 mp_startup() error: we previously assumed 'info->tty' could be null (see line 525)

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 59573240

drivers/staging/sb105x/sb_pci_mp.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -543,13 +543,13 @@ static int mp_startup(struct sb_uart_state *state, int init_hw)
		if (init_hw) {
		mp_change_speed(state, NULL);

		if (info->tty->termios.c_cflag & CBAUD)
		if (info->tty && (info->tty->termios.c_cflag & CBAUD))
		uart_set_mctrl(port, TIOCM_RTS \| TIOCM_DTR);
		}

		info->flags \|= UIF_INITIALIZED;


		if (info->tty)
		clear_bit(TTY_IO_ERROR, &info->tty->flags);
		}