From: Jasmin Jessich <jasmin@xxxxxx>
Fixed all:
ERROR: do not use assignment in if condition
Signed-off-by: Jasmin Jessich <jasmin@xxxxxx>
---
drivers/media/dvb-core/dvb_ca_en50221.c | 97 ++++++++++++++++++++++-----------
1 file changed, 64 insertions(+), 33 deletions(-)
diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c
index 317968b..02b8785 100644
--- a/drivers/media/dvb-core/dvb_ca_en50221.c
+++ b/drivers/media/dvb-core/dvb_ca_en50221.c
@@ -348,14 +348,18 @@ static int dvb_ca_en50221_link_init(struct dvb_ca_private *ca, int slot)
ca->slot_info[slot].link_buf_size = 2;
/* read the buffer size from the CAM */
- if ((ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN | CMDREG_SR)) != 0)
+ ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,
+ IRQEN | CMDREG_SR);
+ if (ret != 0)
return ret;
ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ);
if (ret != 0)
return ret;
- if ((ret = dvb_ca_en50221_read_data(ca, slot, buf, 2)) != 2)
+ ret = dvb_ca_en50221_read_data(ca, slot, buf, 2);
+ if (ret != 2)
return -EIO;
- if ((ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN)) != 0)
+ ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);
+ if (ret != 0)
return ret;
/* store it, and choose the minimum of our buffer and the CAM's buffer size */
@@ -368,13 +372,18 @@ static int dvb_ca_en50221_link_init(struct dvb_ca_private *ca, int slot)
dprintk("Chosen link buffer size of %i\n", buf_size);
/* write the buffer size to the CAM */
- if ((ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN | CMDREG_SW)) != 0)
+ ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,
+ IRQEN | CMDREG_SW);
+ if (ret != 0)
return ret;
- if ((ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_FR, HZ / 10)) != 0)
+ ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_FR, HZ / 10);
+ if (ret != 0)
return ret;
- if ((ret = dvb_ca_en50221_write_data(ca, slot, buf, 2)) != 2)
+ ret = dvb_ca_en50221_write_data(ca, slot, buf, 2);
+ if (ret != 2)
return -EIO;
- if ((ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN)) != 0)
+ ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN);
+ if (ret != 0)
return ret;
/* success */
@@ -403,7 +412,8 @@ static int dvb_ca_en50221_read_tuple(struct dvb_ca_private *ca, int slot,
int _address = *address;
/* grab the next tuple length and type */
- if ((_tupleType = ca->pub->read_attribute_mem(ca->pub, slot, _address)) < 0)
+ _tupleType = ca->pub->read_attribute_mem(ca->pub, slot, _address);
+ if (_tupleType < 0)
return _tupleType;
if (_tupleType == 0xff) {
dprintk("END OF CHAIN TUPLE type:0x%x\n", _tupleType);
@@ -412,7 +422,8 @@ static int dvb_ca_en50221_read_tuple(struct dvb_ca_private *ca, int slot,
*tupleLength = 0;
return 0;
}
- if ((_tupleLength = ca->pub->read_attribute_mem(ca->pub, slot, _address + 2)) < 0)
+ _tupleLength = ca->pub->read_attribute_mem(ca->pub, slot, _address + 2);
+ if (_tupleLength < 0)
return _tupleLength;
_address += 4;
@@ -461,8 +472,9 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
// CISTPL_DEVICE_0A
- if ((status =
- dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType, &tupleLength, tuple)) < 0)
+ status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType,
+ &tupleLength, tuple);
+ if (status < 0)
return status;
if (tupleType != 0x1D)
return -EINVAL;
@@ -470,8 +482,9 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
// CISTPL_DEVICE_0C
- if ((status =
- dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType, &tupleLength, tuple)) < 0)
+ status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType,
+ &tupleLength, tuple);
+ if (status < 0)
return status;
if (tupleType != 0x1C)
return -EINVAL;
@@ -479,8 +492,9 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
// CISTPL_VERS_1
- if ((status =
- dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType, &tupleLength, tuple)) < 0)
+ status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType,
+ &tupleLength, tuple);
+ if (status < 0)
return status;
if (tupleType != 0x15)
return -EINVAL;
@@ -488,8 +502,9 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
// CISTPL_MANFID
- if ((status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType,
- &tupleLength, tuple)) < 0)
+ status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType,
+ &tupleLength, tuple);
+ if (status < 0)
return status;
if (tupleType != 0x20)
return -EINVAL;
@@ -501,8 +516,9 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
// CISTPL_CONFIG
- if ((status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType,
- &tupleLength, tuple)) < 0)
+ status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType,
+ &tupleLength, tuple);
+ if (status < 0)
return status;
if (tupleType != 0x1A)
return -EINVAL;
@@ -535,8 +551,10 @@ static int dvb_ca_en50221_parse_attributes(struct dvb_ca_private *ca, int slot)
/* process the CFTABLE_ENTRY tuples, and any after those */
while ((!end_chain) && (address < 0x1000)) {
- if ((status = dvb_ca_en50221_read_tuple(ca, slot, &address, &tupleType,
- &tupleLength, tuple)) < 0)
+ status = dvb_ca_en50221_read_tuple(ca, slot, &address,
+ &tupleType, &tupleLength,
+ tuple);
+ if (status < 0)
return status;
switch (tupleType) {
case 0x1B: // CISTPL_CFTABLE_ENTRY
@@ -802,7 +820,8 @@ static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot,
* already in progress, we do nothing but awake the kernel thread to
* process the data if necessary.
*/
- if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0)
+ status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);
+ if (status < 0)
goto exitnowrite;
if (status & (STATUSREG_DA | STATUSREG_RE)) {
if (status & STATUSREG_DA)
@@ -813,12 +832,14 @@ static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot,
}
/* OK, set HC bit */
- if ((status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,
- IRQEN | CMDREG_HC)) != 0)
+ status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND,
+ IRQEN | CMDREG_HC);
+ if (status != 0)
goto exit;
/* check if interface is still free */
- if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0)
+ status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);
+ if (status < 0)
goto exit;
if (!(status & STATUSREG_FR)) {
/* it wasn't free => try again later */
@@ -850,20 +871,26 @@ static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot,
}
/* send the amount of data */
- if ((status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_HIGH, bytes_write >> 8)) != 0)
+ status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_HIGH,
+ bytes_write >> 8);
+ if (status != 0)
goto exit;
- if ((status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_LOW,
- bytes_write & 0xff)) != 0)
+ status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_LOW,
+ bytes_write & 0xff);
+ if (status != 0)
goto exit;
/* send the buffer */
for (i = 0; i < bytes_write; i++) {
- if ((status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_DATA, buf[i])) != 0)
+ status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_DATA,
+ buf[i]);
+ if (status != 0)
goto exit;
}
/* check for write error (WE should now be 0) */
- if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0)
+ status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);
+ if (status < 0)
goto exit;
if (status & STATUSREG_WE) {
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
@@ -1583,7 +1610,8 @@ static ssize_t dvb_ca_en50221_io_read(struct file *file, char __user *buf,
return -EINVAL;
/* wait for some data */
- if ((status = dvb_ca_en50221_io_read_condition(ca, &result, &slot)) == 0) {
+ status = dvb_ca_en50221_io_read_condition(ca, &result, &slot);
+ if (status == 0) {
/* if we're in nonblocking mode, exit immediately */
if (file->f_flags & O_NONBLOCK)
@@ -1820,7 +1848,8 @@ int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter,
return -EINVAL;
/* initialise the system data */
- if ((ca = kzalloc(sizeof(struct dvb_ca_private), GFP_KERNEL)) == NULL) {
+ ca = kzalloc(sizeof(struct dvb_ca_private), GFP_KERNEL);
+ if (ca == NULL) {
ret = -ENOMEM;
goto exit;
}
@@ -1828,7 +1857,9 @@ int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter,
ca->pub = pubca;
ca->flags = flags;
ca->slot_count = slot_count;
- if ((ca->slot_info = kcalloc(slot_count, sizeof(struct dvb_ca_slot), GFP_KERNEL)) == NULL) {
+ ca->slot_info = kcalloc(slot_count, sizeof(struct dvb_ca_slot),
+ GFP_KERNEL);
+ if (ca->slot_info == NULL) {
ret = -ENOMEM;
goto free_ca;
}
--
2.7.4
