Re: [dpdk-dev] [PATCH v11 2/2] librte_pmd_null: Support port hotplug function

["Mcnamara, John" <john.mcnamara@intel.com>]

Hi,

The HEAD doesn't compile with gcc 4.7.2:

    $ git clone http://dpdk.org/git/dpdk
    $ cd dpdk
    $ make T=x86_64-native-linuxapp-gcc -j install 

    ...
    == Build lib/librte_pipeline
      SYMLINK-FILE include/rte_pipeline.h
      CC rte_pipeline.o
    /tmp/dpdk/lib/librte_pmd_null/rte_eth_null.c: In function 'eth_stats_get':

    /tmp/dpdk/lib/librte_pmd_null/rte_eth_null.c:302:28:
        error: array subscript is above array bounds [-Werror=array-bounds]
    /tmp/dpdk/lib/librte_pmd_null/rte_eth_null.c:302:28: 
        error: array subscript is above array bounds [-Werror=array-bounds]
    /tmp/dpdk/lib/librte_pmd_null/rte_eth_null.c:302:28: 
        error: array subscript is above array bounds [-Werror=array-bounds]
    ...

    cc1: all warnings being treated as errors
    make[5]: *** [rte_eth_null.o] Error 1
    make[4]: *** [librte_pmd_null] Error 2


The following commit introduced this issue:

    $ git bisect good                              
    c743e50c475f73edf78e5ba26445d7c6ea217f40 is the first bad commit
    commit c743e50c475f73edf78e5ba26445d7c6ea217f40
    Author: Tetsuya Mukawa <mukawa@igel.co.jp>
    Date:   Mon Feb 23 14:12:34 2015 +0900

        null: new poll mode driver

        
I don't see the issue with gcc 4.9.

Regards,

John