tee/optee/shm_pool: fix application of sizeof to pointer

sizeof when applied to a pointer typed expression gives the size of
the pointer.

./drivers/tee/optee/shm_pool.c:38:28-34: ERROR application of sizeof to pointer

This issue was detected with the help of Coccinelle.

Reviewed-by: Daniel Thompson <[email protected]>
Reported-by: Zeal Robot <[email protected]>
Signed-off-by: jing yangyang <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>

Author: jing yangyang

drivers/tee/optee/shm_pool.c

@@ -35,7 +35,7 @@ static int pool_op_alloc(struct tee_shm_pool_mgr *poolm,
 		unsigned int nr_pages = 1 << order, i;
 		struct page **pages;
 
-		pages = kcalloc(nr_pages, sizeof(pages), GFP_KERNEL);
+		pages = kcalloc(nr_pages, sizeof(*pages), GFP_KERNEL);
 		if (!pages) {
 			rc = -ENOMEM;
 			goto err;