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Subject[PATCH 5/6] [media] tda8261: Adjust three function calls together with a variable assignment
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Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 26 Sep 2017 12:52:24 +0200

The script "checkpatch.pl" pointed information out like the following.

ERROR: do not use assignment in if condition

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/media/dvb-frontends/tda8261.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/media/dvb-frontends/tda8261.c b/drivers/media/dvb-frontends/tda8261.c
index 492d8c03a5fa..20185ee8f253 100644
--- a/drivers/media/dvb-frontends/tda8261.c
+++ b/drivers/media/dvb-frontends/tda8261.c
@@ -42,7 +42,8 @@ static int tda8261_read(struct tda8261_state *state, u8 *buf)
int err = 0;
struct i2c_msg msg = { .addr = config->addr, .flags = I2C_M_RD,.buf = buf, .len = 1 };

- if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1)
+ err = i2c_transfer(state->i2c, &msg, 1);
+ if (err != 1)
pr_err("%s: read error, err=%d\n", __func__, err);

return err;
@@ -54,7 +55,8 @@ static int tda8261_write(struct tda8261_state *state, u8 *buf)
int err = 0;
struct i2c_msg msg = { .addr = config->addr, .flags = 0, .buf = buf, .len = 4 };

- if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1)
+ err = i2c_transfer(state->i2c, &msg, 1);
+ if (err != 1)
pr_err("%s: write error, err=%d\n", __func__, err);

return err;
@@ -67,8 +69,8 @@ static int tda8261_get_status(struct dvb_frontend *fe, u32 *status)
int err = 0;

*status = 0;
-
- if ((err = tda8261_read(state, &result)) < 0) {
+ err = tda8261_read(state, &result);
+ if (err < 0) {
pr_err("%s: I/O Error\n", __func__);
return err;
}
--
2.14.1
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