diff options
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/kfifo_buf.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c index 6bf9d05f4841..8a6d28ce21b2 100644 --- a/drivers/iio/kfifo_buf.c +++ b/drivers/iio/kfifo_buf.c @@ -22,7 +22,8 @@ static inline int __iio_allocate_kfifo(struct iio_kfifo *buf, return -EINVAL; __iio_update_buffer(&buf->buffer, bytes_per_datum, length); - return kfifo_alloc(&buf->kf, bytes_per_datum*length, GFP_KERNEL); + return __kfifo_alloc((struct __kfifo *)&buf->kf, length, + bytes_per_datum, GFP_KERNEL); } static int iio_request_update_kfifo(struct iio_buffer *r) @@ -94,9 +95,10 @@ static int iio_store_to_kfifo(struct iio_buffer *r, { int ret; struct iio_kfifo *kf = iio_to_kfifo(r); - ret = kfifo_in(&kf->kf, data, r->bytes_per_datum); - if (ret != r->bytes_per_datum) + ret = kfifo_in(&kf->kf, data, 1); + if (ret != 1) return -EBUSY; + return 0; } @@ -109,7 +111,6 @@ static int iio_read_first_n_kfifo(struct iio_buffer *r, if (n < r->bytes_per_datum) return -EINVAL; - n = rounddown(n, r->bytes_per_datum); ret = kfifo_to_user(&kf->kf, buf, n, &copied); return copied; |