Hi Yuanhan, On 09/09/2016 10:25 AM, Yuanhan Liu wrote: > On Fri, Sep 09, 2016 at 10:16:25AM +0200, Olivier Matz wrote: >> Avoid access to mempool pointer if it is NULL. >> >> Fixes: b19a0c75a0d4 ("app/testpmd: remove anonymous mempool code") >> Coverity issue: 127553 >> >> Signed-off-by: Olivier Matz <olivier.matz at 6wind.com> >> --- >> app/test-pmd/testpmd.c | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c >> index 1428974..e0f8285 100644 >> --- a/app/test-pmd/testpmd.c >> +++ b/app/test-pmd/testpmd.c >> @@ -444,10 +444,13 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned >> nb_mbuf, >> mb_size, (unsigned) mb_mempool_cache, >> sizeof(struct rte_pktmbuf_pool_private), >> socket_id, 0); >> + if (rte_mp == NULL) >> + goto err; >> >> if (rte_mempool_populate_anon(rte_mp) == 0) { >> rte_mempool_free(rte_mp); >> rte_mp = NULL; >> + goto err; >> } >> rte_pktmbuf_pool_init(rte_mp, NULL); >> rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL); >> @@ -458,6 +461,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned >> nb_mbuf, >> } >> } >> >> + err: > > A minor nit: there is a heading white space char. >
Well, that's something I've been doing since a long time due to my editor config, but I cannot find any good reason for doing that. I'll send a v2 without this space (and fix my config for next times ;)) Olivier