vhost: fix offset while mmaping log base address
QEMU always set offset to 0 but for sanity we should take the offset
into account.
Fixes: 54f9e32305
("vhost: handle dirty pages logging request")
Cc: stable@dpdk.org
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-by: Jianfeng Tan <jianfeng.tan@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
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@ -1044,7 +1044,7 @@ vhost_user_set_log_base(struct virtio_net *dev, struct VhostUserMsg *msg)
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* mmap from 0 to workaround a hugepage mmap bug: mmap will
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* fail when offset is not page size aligned.
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*/
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addr = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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addr = mmap(0, size + off, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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close(fd);
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if (addr == MAP_FAILED) {
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RTE_LOG(ERR, VHOST_CONFIG, "mmap log base failed!\n");
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