accel/qaic: remove redundant pointer pexec

Pointer pexec is being assigned a value however it is never read. The
assignment is redundant and can be removed. Replace sizeof(*pexec)
with sizeof the type and remove the declaration of pointer pexec.

Signed-off-by: Colin Ian King <[e-mail]>
Reviewed-by: Pranjal Ramajor Asha Kanojiya <[e-mail]>
Reviewed-by: Jeffrey Hugo <[e-mail]>
Signed-off-by: Jeffrey Hugo <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/accel/qaic/qaic_data.c

···
 static int __qaic_execute_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv,
 				   bool is_partial)
 {
-	struct qaic_partial_execute_entry *pexec;
 	struct qaic_execute *args = data;
 	struct qaic_execute_entry *exec;
 	struct dma_bridge_chan *dbc;
···
 
 	received_ts = ktime_get_ns();
 
-	size = is_partial ? sizeof(*pexec) : sizeof(*exec);
+	size = is_partial ? sizeof(struct qaic_partial_execute_entry) : sizeof(*exec);
 	n = (unsigned long)size * args->hdr.count;
 	if (args->hdr.count == 0 || n / args->hdr.count != size)
 		return -EINVAL;
···
 	user_data = u64_to_user_ptr(args->data);
 
 	exec = kcalloc(args->hdr.count, size, GFP_KERNEL);
-	pexec = (struct qaic_partial_execute_entry *)exec;
 	if (!exec)
 		return -ENOMEM;