Found with clang static analysis: lib/librte_eal/linuxapp/eal/eal_memory.c:1004:11: warning: Call to 'malloc' has an allocation size of 0 bytes tmp_hp = malloc(nr_hugepages * sizeof(struct hugepage_file)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The --no-huge case, where nr_hugepages would be 0 as well, is handled earlier. Fixes: 5e823a451261 ("ethdev: remove some VF functions") Signed-off-by: Emmanuel Roullit <emmanuel.roul...@gmail.com> --- lib/librte_eal/linuxapp/eal/eal_memory.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c index a956bb226..0b0355898 100644 --- a/lib/librte_eal/linuxapp/eal/eal_memory.c +++ b/lib/librte_eal/linuxapp/eal/eal_memory.c @@ -995,6 +995,9 @@ rte_eal_hugepage_init(void) nr_hugepages += internal_config.hugepage_info[i].num_pages[0]; } + if (nr_hugepages == 0) + goto fail; + /* * allocate a memory area for hugepage table. * this isn't shared memory yet. due to the fact that we need some -- 2.11.0