Messages in this thread | | | From | Jens Wiklander <> | Date | Thu, 24 Sep 2020 09:33:21 +0200 | Subject | Re: [PATCH -next] tee: optee: fix type warning of sizeof in pool_op_alloc() |
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On Thu, Sep 17, 2020 at 9:52 AM Liu Shixin <liushixin2@huawei.com> wrote: > > sizeof() when applied to a pointer typed expression should gives the > size of the pointed data, even if the data is a pointer. > > Signed-off-by: Liu Shixin <liushixin2@huawei.com> > --- > drivers/tee/optee/shm_pool.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/tee/optee/shm_pool.c b/drivers/tee/optee/shm_pool.c > index d767eebf30bd..9fdc667b5df0 100644 > --- a/drivers/tee/optee/shm_pool.c > +++ b/drivers/tee/optee/shm_pool.c > @@ -31,7 +31,7 @@ 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);
In this case we want an array of pointers as you also can see in the type of "pages".
Thanks, Jens
> if (!pages) > return -ENOMEM; > > -- > 2.25.1 >
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