diff options
Diffstat (limited to 'drivers/media/dvb-frontends/ds3000.c')
-rw-r--r-- | drivers/media/dvb-frontends/ds3000.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c index 0b17a45c5640..bd4f8278c906 100644 --- a/drivers/media/dvb-frontends/ds3000.c +++ b/drivers/media/dvb-frontends/ds3000.c @@ -277,10 +277,8 @@ static int ds3000_writeFW(struct ds3000_state *state, int reg, u8 *buf; buf = kmalloc(33, GFP_KERNEL); - if (buf == NULL) { - printk(KERN_ERR "Unable to kmalloc\n"); + if (!buf) return -ENOMEM; - } *(buf) = reg; @@ -835,17 +833,15 @@ static const struct dvb_frontend_ops ds3000_ops; struct dvb_frontend *ds3000_attach(const struct ds3000_config *config, struct i2c_adapter *i2c) { - struct ds3000_state *state = NULL; + struct ds3000_state *state; int ret; dprintk("%s\n", __func__); /* allocate memory for the internal state */ - state = kzalloc(sizeof(struct ds3000_state), GFP_KERNEL); - if (state == NULL) { - printk(KERN_ERR "Unable to kmalloc\n"); - goto error2; - } + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return NULL; state->config = config; state->i2c = i2c; @@ -854,8 +850,9 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config, /* check if the demod is present */ ret = ds3000_readreg(state, 0x00) & 0xfe; if (ret != 0xe0) { + kfree(state); printk(KERN_ERR "Invalid probe, probably not a DS3000\n"); - goto error3; + return NULL; } printk(KERN_INFO "DS3000 chip version: %d.%d attached.\n", @@ -873,11 +870,6 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config, */ ds3000_set_voltage(&state->frontend, SEC_VOLTAGE_OFF); return &state->frontend; - -error3: - kfree(state); -error2: - return NULL; } EXPORT_SYMBOL(ds3000_attach); |