[dpdk-dev] [PATCH] test: Fix memory corruption issues which fails the link_bonding test.

[Declan Doherty]

On 10/07/2017 8:20 AM, Herbert Guan wrote:
> There were double-free problems in some test cases of link_bonding,
> which will cause a duplicated mbuf will be added into mempool.  After
> double-free, some new allocated mbuf will hold a same address and
> thus cause the memory corruption.
>
> Another minor issue is that in some test cases, allocated mbuf will
> not be released after test case exits.  Hopefully these leaked mbuf
> will be released by the next test case in its setup phase when
> stopping the virtual pmd ports, while this do is a memory leak of
> the exited test case.
>
> To fix above 2 issues, this patch will do:
> 1) Release virtual pmd ports' tx queue in the clean up function
>    remove_slaves_and_stop_bonded_device() of each test cases.
> 2) Do not release allocated mbufs for test bursts.  These mbufs
>    will be released in remove_slaves_and_stop_bonded_device() when
>    test case exits.
>
> Signed-off-by: Herbert Guan <herbert.guan at arm.com>
> ---
...
>


Hey Herbert,

I'm seeing compilation warnings for unused variables when I apply this 
patch, otherwise these changes look good.

   CC test_link_bonding.o
/home/declan/Development/dpdk-org/master/test/test/test_link_bonding.c:2407:9: 
error: unused variable 'j'
       [-Werror,-Wunused-variable]
         int i, j, burst_size, slave_count, primary_port;
                ^
/home/declan/Development/dpdk-org/master/test/test/test_link_bonding.c:3301:9: 
error: unused variable 'j'
       [-Werror,-Wunused-variable]
         int i, j, burst_size, slave_count;
                ^
/home/declan/Development/dpdk-org/master/test/test/test_link_bonding.c:3860:9: 
error: unused variable 'j'
       [-Werror,-Wunused-variable]
         int i, j, burst_size, slave_count;
                ^
/home/declan/Development/dpdk-org/master/test/test/test_link_bonding.c:4372:9: 
error: unused variable 'j'
       [-Werror,-Wunused-variable]
         int i, j, burst_size, slave_count, primary_port;