[PATCH] accel/ivpu: Use struct_size()

From: Christophe JAILLET
Date: Mon May 29 2023 - 09:28:17 EST


Use struct_size() instead of hand-writing it. It is less verbose, more
robust and more informative.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/accel/ivpu/ivpu_job.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c
index 3c6f1e16cf2f..0a09bba8da24 100644
--- a/drivers/accel/ivpu/ivpu_job.c
+++ b/drivers/accel/ivpu/ivpu_job.c
@@ -289,15 +289,13 @@ ivpu_create_job(struct ivpu_file_priv *file_priv, u32 engine_idx, u32 bo_count)
{
struct ivpu_device *vdev = file_priv->vdev;
struct ivpu_job *job;
- size_t buf_size;
int ret;

ret = ivpu_rpm_get(vdev);
if (ret < 0)
return NULL;

- buf_size = sizeof(*job) + bo_count * sizeof(struct ivpu_bo *);
- job = kzalloc(buf_size, GFP_KERNEL);
+ job = kzalloc(struct_size(job, bos, bo_count), GFP_KERNEL);
if (!job)
goto err_rpm_put;

--
2.34.1