Commit 6299ae5a authored Jul 11, 2014 by Daeseok Youn Committed by Greg Kroah-Hartman Jul 11, 2014

staging: dgap: redundant NULL and magic check in dgap_get_modem_info()



The "ch" is already checking in caller.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 604631ff

drivers/staging/dgap/dgap.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -3061,9 +3061,6 @@ static int dgap_get_modem_info(struct channel_t ch, unsigned int __user value)
		ulong lock_flags;
		int rc;

		if (!ch \|\| ch->magic != DGAP_CHANNEL_MAGIC)
		return -EIO;

		spin_lock_irqsave(&ch->ch_lock, lock_flags);

		mstat = readb(&(ch->ch_bs->m_stat));