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V4L/DVB (10662): remove redundant memset after kzalloc

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Hi there!

While having a look at the allocation of struct dvb_frontend in *_attach
functions, I found some cases calling memset after kzalloc. This is
redundant, and the attached patch removes these calls.
I also changed one case calling kmalloc and memset to kzalloc.

Regards
Matthias

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Matthias Schwarzott 2009-02-23 12:26:38 -03:00 committed by Mauro Carvalho Chehab
parent 51ca3bddf3
commit 8420fa7ee2
5 changed files with 4 additions and 9 deletions
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2
drivers/media/dvb/frontends/cx24113.c
View File

@ -559,7 +559,7 @@ struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
kzalloc(sizeof(struct cx24113_state), GFP_KERNEL);
int rc;
if (state == NULL) {
err("Unable to kmalloc\n");
err("Unable to kzalloc\n");
goto error;
}

5
drivers/media/dvb/frontends/cx24116.c
View File

@ -1112,13 +1112,10 @@ struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
dprintk("%s\n", __func__);
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL);
state = kzalloc(sizeof(struct cx24116_state), GFP_KERNEL);
if (state == NULL)
goto error1;
/* setup the state */
memset(state, 0, sizeof(struct cx24116_state));
state->config = config;
state->i2c = i2c;

4
drivers/media/dvb/frontends/cx24123.c
View File

@ -1069,13 +1069,13 @@ static struct dvb_frontend_ops cx24123_ops;
struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
struct i2c_adapter *i2c)
{
/* allocate memory for the internal state */
struct cx24123_state *state =
kzalloc(sizeof(struct cx24123_state), GFP_KERNEL);
dprintk("\n");
/* allocate memory for the internal state */
if (state == NULL) {
err("Unable to kmalloc\n");
err("Unable to kzalloc\n");
goto error;
}

1
drivers/media/dvb/frontends/lgdt3304.c
View File

@ -363,7 +363,6 @@ struct dvb_frontend* lgdt3304_attach(const struct lgdt3304_config *config,
struct lgdt3304_state *state;
state = kzalloc(sizeof(struct lgdt3304_state), GFP_KERNEL);
memset(state, 0x0, sizeof(struct lgdt3304_state));
state->addr = config->i2c_address;
state->i2c = i2c;

1
drivers/media/dvb/frontends/s921_module.c
View File

@ -169,7 +169,6 @@ struct dvb_frontend* s921_attach(const struct s921_config *config,
struct s921_state *state;
state = kzalloc(sizeof(struct s921_state), GFP_KERNEL);
memset(state, 0x0, sizeof(struct s921_state));
state->addr = config->i2c_address;
state->i2c = i2c;