From: Daeseok Youn <daeseok.youn@gmail.com>
Date: Fri, 11 Jul 2014 10:22:04 +0000 (+0900)
Subject: staging: dgap: redundant NULL and magic check in dgap_get_modem_info()
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=6299ae5aa7bc82cf0cd43e800c4857dba3e4d6e5;p=deliverable%2Flinux.git

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>
---

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 9affc5bf7228..79ea11696a23 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -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));