lkml.org 
[lkml]   [2013]   [Jan]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH v] media: dvb-frontends: remove unnecessary null pointer check
The address of a variable is impossible to be null, so we remove the check.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
---
sorry for sending again. I didn't notice there are another 2 places with the
same issue.
- cong

drivers/media/dvb-frontends/stv0900_core.c | 14 ++++----------
drivers/media/dvb-frontends/stv0900_sw.c | 7 ++-----
2 files changed, 6 insertions(+), 15 deletions(-)

diff --git a/drivers/media/dvb-frontends/stv0900_core.c b/drivers/media/dvb-frontends/stv0900_core.c
index 0fb34e1..e5a87b5 100644
--- a/drivers/media/dvb-frontends/stv0900_core.c
+++ b/drivers/media/dvb-frontends/stv0900_core.c
@@ -524,11 +524,8 @@ void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency,
struct dvb_frontend_ops *frontend_ops = NULL;
struct dvb_tuner_ops *tuner_ops = NULL;

- if (&fe->ops)
- frontend_ops = &fe->ops;
-
- if (&frontend_ops->tuner_ops)
- tuner_ops = &frontend_ops->tuner_ops;
+ frontend_ops = &fe->ops;
+ tuner_ops = &frontend_ops->tuner_ops;

if (tuner_ops->set_frequency) {
if ((tuner_ops->set_frequency(fe, frequency)) < 0)
@@ -552,11 +549,8 @@ void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
struct dvb_frontend_ops *frontend_ops = NULL;
struct dvb_tuner_ops *tuner_ops = NULL;

- if (&fe->ops)
- frontend_ops = &fe->ops;
-
- if (&frontend_ops->tuner_ops)
- tuner_ops = &frontend_ops->tuner_ops;
+ frontend_ops = &fe->ops;
+ tuner_ops = &frontend_ops->tuner_ops;

if (tuner_ops->set_bandwidth) {
if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0)
diff --git a/drivers/media/dvb-frontends/stv0900_sw.c b/drivers/media/dvb-frontends/stv0900_sw.c
index 4af2078..0a40edf 100644
--- a/drivers/media/dvb-frontends/stv0900_sw.c
+++ b/drivers/media/dvb-frontends/stv0900_sw.c
@@ -1167,11 +1167,8 @@ static u32 stv0900_get_tuner_freq(struct dvb_frontend *fe)
struct dvb_tuner_ops *tuner_ops = NULL;
u32 freq = 0;

- if (&fe->ops)
- frontend_ops = &fe->ops;
-
- if (&frontend_ops->tuner_ops)
- tuner_ops = &frontend_ops->tuner_ops;
+ frontend_ops = &fe->ops;
+ tuner_ops = &frontend_ops->tuner_ops;

if (tuner_ops->get_frequency) {
if ((tuner_ops->get_frequency(fe, &freq)) < 0)
--
1.7.10.4


\
 
 \ /
  Last update: 2013-01-15 23:01    [W:0.045 / U:0.340 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site