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SubjectRe: [PATCH v2] media: dvb_dummy_fe: Fix ERROR: POINTER_LOCATION
Em Tue, 12 Nov 2019 09:50:14 -0300
"Daniel W. S. Almeida" <dwlsalmeida@gmail.com> escreveu:

> From: "Daniel W. S. Almeida" <dwlsalmeida@gmail.com>
>
> Change foo* bar to foo *bar to avoid ERROR: POINTER_LOCATION in checkpatch.pl
>
> ERROR: "foo* bar" should be "foo *bar"
> +static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)
>
> ERROR: "foo* bar" should be "foo *bar"
> +static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)
>
> ERROR: "foo* bar" should be "foo *bar"
> +static int dvb_dummy_fe_read_snr(struct dvb_frontend* fe, u16* snr)
>
> ERROR: "foo* bar" should be "foo *bar"
> +static int dvb_dummy_fe_read_snr(struct dvb_frontend* fe, u16* snr)
>
> ERROR: "foo* bar" should be "foo *bar"
> +static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
>
> ERROR: "foo* bar" should be "foo *bar"
> +static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
>
> ERROR: "foo* bar" should be "foo *bar"
> +static int dvb_dummy_fe_sleep(struct dvb_frontend* fe)
>
> ERROR: "foo* bar" should be "foo *bar"
> +static int dvb_dummy_fe_init(struct dvb_frontend* fe)
>
> ERROR: "foo* bar" should be "foo *bar"
> +static void dvb_dummy_fe_release(struct dvb_frontend* fe)
>
> ERROR: "foo* bar" should be "foo *bar"
> + struct dvb_dummy_fe_state* state = fe->demodulator_priv;
>
> ERROR: "foo* bar" should be "foo *bar"
> +struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
>
> ERROR: "foo* bar" should be "foo *bar"
> + struct dvb_dummy_fe_state* state = NULL;
>
> ERROR: "foo* bar" should be "foo *bar"
> + struct dvb_dummy_fe_state* state = NULL;
>
> ERROR: "foo* bar" should be "foo *bar"
> + struct dvb_dummy_fe_state* state = NULL;
>
> Suggested-by: Shuah Khan <skhan@linuxfoundation.org>
> Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
>
> ------------------------------------------------------------
> Changes in v2:
>
> -Added checkpatch.pl previous output so it's more clear what
> is being fixed by this patch.
>
> ---
> drivers/media/dvb-frontends/dvb_dummy_fe.c | 24 +++++++++++-----------
> drivers/media/dvb-frontends/dvb_dummy_fe.h | 6 +++---
> 2 files changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/media/dvb-frontends/dvb_dummy_fe.c b/drivers/media/dvb-frontends/dvb_dummy_fe.c
> index 4db679cb70ad..8413038aa30b 100644
> --- a/drivers/media/dvb-frontends/dvb_dummy_fe.c
> +++ b/drivers/media/dvb-frontends/dvb_dummy_fe.c
> @@ -31,25 +31,25 @@ static int dvb_dummy_fe_read_status(struct dvb_frontend *fe,
> return 0;
> }
>
> -static int dvb_dummy_fe_read_ber(struct dvb_frontend* fe, u32* ber)
> +static int dvb_dummy_fe_read_ber(struct dvb_frontend *fe, u32 *ber)
> {
> *ber = 0;
> return 0;
> }
>
> -static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)
> +static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend *fe, u16 *strength)

Line too long. As you're touching on it, please also fix the long line
warning.

> {
> *strength = 0;
> return 0;
> }
>
> -static int dvb_dummy_fe_read_snr(struct dvb_frontend* fe, u16* snr)
> +static int dvb_dummy_fe_read_snr(struct dvb_frontend *fe, u16 *snr)
> {
> *snr = 0;
> return 0;
> }
>
> -static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
> +static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
> {
> *ucblocks = 0;
> return 0;
> @@ -77,12 +77,12 @@ static int dvb_dummy_fe_set_frontend(struct dvb_frontend *fe)
> return 0;
> }
>
> -static int dvb_dummy_fe_sleep(struct dvb_frontend* fe)
> +static int dvb_dummy_fe_sleep(struct dvb_frontend *fe)
> {
> return 0;
> }
>
> -static int dvb_dummy_fe_init(struct dvb_frontend* fe)
> +static int dvb_dummy_fe_init(struct dvb_frontend *fe)
> {
> return 0;
> }
> @@ -99,17 +99,17 @@ static int dvb_dummy_fe_set_voltage(struct dvb_frontend *fe,
> return 0;
> }
>
> -static void dvb_dummy_fe_release(struct dvb_frontend* fe)
> +static void dvb_dummy_fe_release(struct dvb_frontend *fe)
> {
> - struct dvb_dummy_fe_state* state = fe->demodulator_priv;
> + struct dvb_dummy_fe_state *state = fe->demodulator_priv;
> kfree(state);
> }
>
> static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops;
>
> -struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
> +struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void)
> {
> - struct dvb_dummy_fe_state* state = NULL;
> + struct dvb_dummy_fe_state *state = NULL;
>
> /* allocate memory for the internal state */
> state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
> @@ -126,7 +126,7 @@ static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops;
>
> struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
> {
> - struct dvb_dummy_fe_state* state = NULL;
> + struct dvb_dummy_fe_state *state = NULL;
>
> /* allocate memory for the internal state */
> state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
> @@ -143,7 +143,7 @@ static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops;
>
> struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
> {
> - struct dvb_dummy_fe_state* state = NULL;
> + struct dvb_dummy_fe_state *state = NULL;
>
> /* allocate memory for the internal state */
> state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
> diff --git a/drivers/media/dvb-frontends/dvb_dummy_fe.h b/drivers/media/dvb-frontends/dvb_dummy_fe.h
> index 526fabd7751f..35efe2ce1a88 100644
> --- a/drivers/media/dvb-frontends/dvb_dummy_fe.h
> +++ b/drivers/media/dvb-frontends/dvb_dummy_fe.h
> @@ -12,9 +12,9 @@
> #include <media/dvb_frontend.h>
>
> #if IS_REACHABLE(CONFIG_DVB_DUMMY_FE)
> -extern struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void);
> -extern struct dvb_frontend* dvb_dummy_fe_qpsk_attach(void);
> -extern struct dvb_frontend* dvb_dummy_fe_qam_attach(void);
> +extern struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void);
> +extern struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void);
> +extern struct dvb_frontend *dvb_dummy_fe_qam_attach(void);

Don't keep the "extern" here:

CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#185: FILE: drivers/media/dvb-frontends/dvb_dummy_fe.h:15:
+extern struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void);

CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#186: FILE: drivers/media/dvb-frontends/dvb_dummy_fe.h:16:
+extern struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void);

CHECK:AVOID_EXTERNS: extern prototypes should be avoided in .h files
#187: FILE: drivers/media/dvb-frontends/dvb_dummy_fe.h:17:
+extern struct dvb_frontend *dvb_dummy_fe_qam_attach(void);


> #else
> static inline struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void)
> {



Cheers,
Mauro

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