On Tue, Feb 16, 2021 at 11:31:33AM +0800, Tianjia Zhang wrote: > In this scenario, there is no case where va_page is NULL, and > the error has been checked. The if-condition statement here is > redundant, so remove the condition detection. > > Signed-off-by: Tianjia Zhang <tianjia.zhang@xxxxxxxxxxxxxxxxx> > Acked-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx> > --- > arch/x86/kernel/cpu/sgx/ioctl.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/arch/x86/kernel/cpu/sgx/ioctl.c b/arch/x86/kernel/cpu/sgx/ioctl.c > index 1c6ecf9fbeff..719c21cca569 100644 > --- a/arch/x86/kernel/cpu/sgx/ioctl.c > +++ b/arch/x86/kernel/cpu/sgx/ioctl.c > @@ -66,9 +66,10 @@ static int sgx_encl_create(struct sgx_encl *encl, struct sgx_secs *secs) > va_page = sgx_encl_grow(encl); > if (IS_ERR(va_page)) > return PTR_ERR(va_page); > - else if (va_page) > - list_add(&va_page->list, &encl->va_pages); > - /* else the tail page of the VA page list had free slots. */ > + if (!va_page) > + return -EIO; Why this check? > + > + list_add(&va_page->list, &encl->va_pages); > > /* The extra page goes to SECS. */ > encl_size = secs->size + PAGE_SIZE; > -- > 2.19.1.3.ge56e4f7 > > /Jarkko