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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>
This commit is contained in:
Daeseok Youn 2014-07-11 19:22:04 +09:00 committed by Greg Kroah-Hartman
parent 604631ff0b
commit 6299ae5aa7
1 changed files with 0 additions and 3 deletions
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3
drivers/staging/dgap/dgap.c
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@ -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));