fpsimd_context
sizeof(struct fpsimd_context));
struct fpsimd_context __user *fpsimd_ctx =
struct fpsimd_context __user *fpsimd;
static int preserve_fpsimd_context(struct fpsimd_context __user *ctx)
__put_user_error(sizeof(struct fpsimd_context), &ctx->head.size, err);
if (user->fpsimd_size != sizeof(struct fpsimd_context))
user->fpsimd = (struct fpsimd_context __user *)head;
head = get_starting_head(shead, sizeof(struct fpsimd_context) + HDR_SZ,
head->size = sizeof(struct fpsimd_context);
sizeof(struct fpsimd_context))