dm: refine 'assert' in hugetlb.c and mem.c

cleanup 'assert' usage to avoid possible software vulnerabilities.

Tracked-On: #3252
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Reviewed-by: Shuo A Liu <shuo.a.liu@intel.com>
This commit is contained in:
Yonghua Huang
2019-06-17 18:39:24 +08:00
committed by wenlingz
parent 65d7d83b1c
commit 885d503a60
2 changed files with 5 additions and 10 deletions

View File

@@ -36,7 +36,6 @@
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
#include <assert.h>
#include "vmmapi.h"
@@ -267,7 +266,6 @@ static int mmap_hugetlbfs(struct vmctx *ctx, size_t offset,
pg_size = hugetlb_priv[level].pg_size;
while (len > 0) {
assert((offset & (pg_size - 1)) == 0);
ret = mmap_hugetlbfs_from_level(ctx, level, len, offset, skip);
if (ret < 0 && level > HUGETLB_LV1) {
@@ -297,7 +295,6 @@ static void get_lowmem_param(struct hugetlb_info *htlb,
static size_t adj_lowmem_param(struct hugetlb_info *htlb,
struct hugetlb_info *htlb_prev, int adj_size)
{
assert(htlb->lowmem >= adj_size);
htlb->lowmem -= adj_size;
htlb_prev->lowmem += adj_size;
@@ -314,7 +311,6 @@ static void get_highmem_param(struct hugetlb_info *htlb,
static size_t adj_highmem_param(struct hugetlb_info *htlb,
struct hugetlb_info *htlb_prev, int adj_size)
{
assert(htlb->highmem >= adj_size);
htlb->highmem -= adj_size;
htlb_prev->highmem += adj_size;
@@ -331,7 +327,6 @@ static void get_biosmem_param(struct hugetlb_info *htlb,
static size_t adj_biosmem_param(struct hugetlb_info *htlb,
struct hugetlb_info *htlb_prev, int adj_size)
{
assert(htlb->biosmem >= adj_size);
htlb->biosmem -= adj_size;
htlb_prev->biosmem += adj_size;