[PATCH 3/3] staging: dgnc: clean up the dgnc_get_modem_info()

[Daeseok Youn]

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.y...@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