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vhost: fix guest pages memory leak

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This patch fixes a memory leak.
virtio_net::guest_pages is allocated in vhost_setup_mem_table(),
reallocated in add_one_guest_page(), but never freed.

Fixes: e246896178e6 ("vhost: get guest/host physical address mappings")
Cc: stable@dpdk.org

Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Jens Freimann <jfreiman@redhat.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
This commit is contained in:
Dariusz Stojaczyk 2017-05-26 13:59:14 +02:00 committed by Yuanhan Liu
parent d1b2842a9d
commit 29c7c2fdaa
1 changed files with 4 additions and 0 deletions
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4
lib/librte_vhost/vhost_user.c
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@ -114,6 +114,10 @@ vhost_backend_cleanup(struct virtio_net *dev)
rte_free(dev->mem);
dev->mem = NULL;
}
free(dev->guest_pages);
dev->guest_pages = NULL;
if (dev->log_addr) {
munmap((void *)(uintptr_t)dev->log_addr, dev->log_size);
dev->log_addr = 0;