diff options
| author |   Haiyang Tan <haiyangtan@tencent.com> | 2018-10-15 06:17:55 -0700 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-10-16 11:37:49 +0000 |
| commit | a5ab5034f4b50fc5a19ccf8910c91613e6a52f5a (patch) | |
| tree | 7ada95f1671e1f5b525355a6f90e6456813a012c /src/vlib/linux/vfio.c | |
| parent | e9239c978277d838c0c5ca0ad3076ef85d15138a (diff) | |
Fix coverity issue for potentially overflowing of page size
Change-Id: I2779626d745badb63386efcf729da7a094a4f297
Signed-off-by: Haiyang Tan <haiyangtan@tencent.com>
Diffstat (limited to 'src/vlib/linux/vfio.c')
| -rw-r--r-- | src/vlib/linux/vfio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/vlib/linux/vfio.c b/src/vlib/linux/vfio.c index 02262719e82..ffc990a61d2 100644 --- a/src/vlib/linux/vfio.c +++ b/src/vlib/linux/vfio.c @@ -52,8 +52,8 @@ vfio_map_regions (vlib_main_t * vm, int fd) vec_foreach_index (i, pr->page_table) { int rv; - dm.vaddr = pointer_to_uword (pr->mem) + (i << pr->log2_page_size); - dm.size = 1 << pr->log2_page_size; + dm.vaddr = pointer_to_uword (pr->mem) + ((u64)i << pr->log2_page_size); + dm.size = 1ull << pr->log2_page_size; dm.iova = dm.vaddr; vlib_log_debug (lvm->log_default, "map DMA va:0x%lx iova:%lx " "size:0x%lx", dm.vaddr, dm.iova, dm.size); |