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iio: buffer: fix coding style warnings 

Just cosmetics. No functional change intended...

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20230216101452.591805-4-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
pull/877/head
Nuno Sá 2023-02-16 11:14:52 +01:00 committed by Jonathan Cameron
parent 9a96084182
commit 26e46ef775
1 changed files with 49 additions and 49 deletions
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32
drivers/iio/industrialio-buffer.c
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@ -194,7 +194,7 @@ static ssize_t iio_buffer_write(struct file *filp, const char __user *buf,
written = 0;
add_wait_queue(&rb->pollq, &wait);
do {
if (indio_dev->info == NULL)
if (!indio_dev->info)
return -ENODEV;
if (!iio_buffer_space_available(rb)) {
@ -242,7 +242,7 @@ static __poll_t iio_buffer_poll(struct file *filp,
struct iio_buffer *rb = ib->buffer;
struct iio_dev *indio_dev = ib->indio_dev;
if (!indio_dev->info || rb == NULL)
if (!indio_dev->info || !rb)
return 0;
poll_wait(filp, &rb->pollq, wait);
@ -539,7 +539,6 @@ error_ret:
mutex_unlock(&iio_dev_opaque->mlock);
return ret < 0 ? ret : len;
}
static ssize_t iio_scan_el_ts_show(struct device *dev,
@ -823,7 +822,8 @@ struct iio_device_config {
};
static int iio_verify_update(struct iio_dev *indio_dev,
struct iio_buffer *insert_buffer, struct iio_buffer *remove_buffer,
struct iio_buffer *insert_buffer,
struct iio_buffer *remove_buffer,
struct iio_device_config *config)
{
struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
@ -890,7 +890,7 @@ static int iio_verify_update(struct iio_dev *indio_dev,
/* What scan mask do we actually have? */
compound_mask = bitmap_zalloc(indio_dev->masklength, GFP_KERNEL);
if (compound_mask == NULL)
if (!compound_mask)
return -ENOMEM;
scan_timestamp = false;
@ -915,7 +915,7 @@ static int iio_verify_update(struct iio_dev *indio_dev,
compound_mask,
strict_scanmask);
bitmap_free(compound_mask);
if (scan_mask == NULL)
if (!scan_mask)
return -EINVAL;
} else {
scan_mask = compound_mask;
@ -954,16 +954,16 @@ static void iio_buffer_demux_free(struct iio_buffer *buffer)
}
static int iio_buffer_add_demux(struct iio_buffer *buffer,
struct iio_demux_table **p, unsigned int in_loc, unsigned int out_loc,
struct iio_demux_table **p, unsigned int in_loc,
unsigned int out_loc,
unsigned int length)
{
if (*p && (*p)->from + (*p)->length == in_loc &&
(*p)->to + (*p)->length == out_loc) {
(*p)->length += length;
} else {
*p = kmalloc(sizeof(**p), GFP_KERNEL);
if (*p == NULL)
if (!(*p))
return -ENOMEM;
(*p)->from = in_loc;
(*p)->to = out_loc;
@ -1027,7 +1027,7 @@ static int iio_buffer_update_demux(struct iio_dev *indio_dev,
out_loc += length;
}
buffer->demux_bounce = kzalloc(out_loc, GFP_KERNEL);
if (buffer->demux_bounce == NULL) {
if (!buffer->demux_bounce) {
ret = -ENOMEM;
goto error_clear_mux_table;
}
@ -1258,7 +1258,7 @@ int iio_update_buffers(struct iio_dev *indio_dev,
return 0;
if (insert_buffer &&
(insert_buffer->direction == IIO_BUFFER_DIRECTION_OUT))
insert_buffer->direction == IIO_BUFFER_DIRECTION_OUT)
return -EINVAL;
mutex_lock(&iio_dev_opaque->info_exist_lock);
@ -1275,7 +1275,7 @@ int iio_update_buffers(struct iio_dev *indio_dev,
goto out_unlock;
}
if (indio_dev->info == NULL) {
if (!indio_dev->info) {
ret = -ENODEV;
goto out_unlock;
}
@ -1615,7 +1615,7 @@ static int __iio_buffer_alloc_sysfs_and_mask(struct iio_buffer *buffer,
buffer_attrcount = 0;
if (buffer->attrs) {
while (buffer->attrs[buffer_attrcount] != NULL)
while (buffer->attrs[buffer_attrcount])
buffer_attrcount++;
}
buffer_attrcount += ARRAY_SIZE(iio_buffer_attrs);
@ -1651,10 +1651,10 @@ static int __iio_buffer_alloc_sysfs_and_mask(struct iio_buffer *buffer,
iio_dev_opaque->scan_index_timestamp =
channels[i].scan_index;
}
if (indio_dev->masklength && buffer->scan_mask == NULL) {
if (indio_dev->masklength && !buffer->scan_mask) {
buffer->scan_mask = bitmap_zalloc(indio_dev->masklength,
GFP_KERNEL);
if (buffer->scan_mask == NULL) {
if (!buffer->scan_mask) {
ret = -ENOMEM;
goto error_cleanup_dynamic;
}
@ -1771,7 +1771,7 @@ int iio_buffers_alloc_sysfs_and_mask(struct iio_dev *indio_dev)
goto error_unwind_sysfs_and_mask;
}
sz = sizeof(*(iio_dev_opaque->buffer_ioctl_handler));
sz = sizeof(*iio_dev_opaque->buffer_ioctl_handler);
iio_dev_opaque->buffer_ioctl_handler = kzalloc(sz, GFP_KERNEL);
if (!iio_dev_opaque->buffer_ioctl_handler) {
ret = -ENOMEM;