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Subject[PATCH 3/3] staging: dgnc: clean up the dgnc_get_modem_info()
the "ch" in dgnc_get_modem_info() was already checked before calling
this function and also if "ch" is not NULL, dgnc_get_mstat() returns
valid value so it doesn't need to check an error.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
---
drivers/staging/dgnc/dgnc_tty.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 46ca01d..f67d7d4 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -2013,17 +2013,7 @@ static inline int dgnc_get_mstat(struct channel_t *ch)
static int dgnc_get_modem_info(struct channel_t *ch,
unsigned int __user *value)
{
- int result;
-
- if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
- return -ENXIO;
-
- result = dgnc_get_mstat(ch);
-
- if (result < 0)
- return -ENXIO;
-
- return put_user(result, value);
+ return put_user(dgnc_get_mstat(ch), value);
}

/*
--
2.8.2
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