The rte_kvargs_process() was used to parse KV pairs, it also supports to parse 'only keys' (e.g. socket_id) type. And the callback function parameter 'value' is NULL when parsed 'only keys'.
This patch fixes segment fault when parse input args with 'only keys'. Fixes: 4410c1b0c0a2 ("bus/pci: add iteration filter on address") Cc: sta...@dpdk.org Signed-off-by: Chengwen Feng <fengcheng...@huawei.com> --- drivers/bus/pci/pci_params.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bus/pci/pci_params.c b/drivers/bus/pci/pci_params.c index d24cc201b8..b8bee6a6c1 100644 --- a/drivers/bus/pci/pci_params.c +++ b/drivers/bus/pci/pci_params.c @@ -34,6 +34,8 @@ pci_addr_kv_cmp(const char *key __rte_unused, struct rte_pci_addr *addr1 = &_addr1; struct rte_pci_addr *addr2 = _addr2; + if (value == NULL) + return -EINVAL; if (rte_pci_addr_parse(value, addr1)) return -1; return -abs(rte_pci_addr_cmp(addr1, addr2)); -- 2.17.1