diff options
| -rw-r--r-- | drivers/media/dvb/dvb-usb/m920x.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c index 51bfd42387c2..9456792f219b 100644 --- a/drivers/media/dvb/dvb-usb/m920x.c +++ b/drivers/media/dvb/dvb-usb/m920x.c @@ -134,13 +134,17 @@ static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { struct m920x_state *m = d->priv; int i, ret = 0; - u8 rc_state[2]; + u8 *rc_state; + + rc_state = kmalloc(2, GFP_KERNEL); + if (!rc_state) + return -ENOMEM; if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0) - goto unlock; + goto out; if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0) - goto unlock; + goto out; for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) if (rc5_data(&d->props.rc.legacy.rc_map_table[i]) == rc_state[1]) { @@ -149,7 +153,7 @@ static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) switch(rc_state[0]) { case 0x80: *state = REMOTE_NO_KEY_PRESSED; - goto unlock; + goto out; case 0x88: /* framing error or "invalid code" */ case 0x99: @@ -157,7 +161,7 @@ static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) case 0xd8: *state = REMOTE_NO_KEY_PRESSED; m->rep_count = 0; - goto unlock; + goto out; case 0x93: case 0x92: @@ -165,7 +169,7 @@ static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) case 0x82: m->rep_count = 0; *state = REMOTE_KEY_PRESSED; - goto unlock; + goto out; case 0x91: case 0x81: /* pinnacle PCTV310e */ @@ -174,12 +178,12 @@ static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) *state = REMOTE_KEY_REPEAT; else *state = REMOTE_NO_KEY_PRESSED; - goto unlock; + goto out; default: deb("Unexpected rc state %02x\n", rc_state[0]); *state = REMOTE_NO_KEY_PRESSED; - goto unlock; + goto out; } } @@ -188,8 +192,8 @@ static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) *state = REMOTE_NO_KEY_PRESSED; - unlock: - + out: + kfree(rc_state); return ret; } @@ -339,13 +343,19 @@ static int m920x_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, in static int m920x_firmware_download(struct usb_device *udev, const struct firmware *fw) { u16 value, index, size; - u8 read[4], *buff; + u8 *read, *buff; int i, pass, ret = 0; buff = kmalloc(65536, GFP_KERNEL); if (buff == NULL) return -ENOMEM; + read = kmalloc(4, GFP_KERNEL); + if (!read) { + kfree(buff); + return -ENOMEM; + } + if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0) goto done; deb("%x %x %x %x\n", read[0], read[1], read[2], read[3]); @@ -396,6 +406,7 @@ static int m920x_firmware_download(struct usb_device *udev, const struct firmwar deb("firmware uploaded!\n"); done: + kfree(read); kfree(buff); return ret; |