On Wed, May 1, 2019 at 9:50 PM Bruce Richardson <[email protected]>
wrote:
> Compiling on Fedora 30, we get the following warning, causing build failure
> when Werror flag is set:
>
> ../drivers/net/ixgbe/ixgbe_rxtx.c:2141:14: warning: ‘nmb’ may be used
> uninitialized in this function [-Wmaybe-uninitialized]
> 2141 | rxe->mbuf = nmb;
> | ~~~~~~~~~~^~~~~
>
> Initializing the value to "NULL" fixes the issue.
>
> Fixes: 8eecb3295aed ("ixgbe: add LRO support")
> Cc: [email protected]
>
> Signed-off-by: Bruce Richardson <[email protected]>
> ---
> drivers/net/ixgbe/ixgbe_rxtx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c
> b/drivers/net/ixgbe/ixgbe_rxtx.c
> index e71d3c188..1fbc754ae 100644
> --- a/drivers/net/ixgbe/ixgbe_rxtx.c
> +++ b/drivers/net/ixgbe/ixgbe_rxtx.c
> @@ -2029,7 +2029,7 @@ ixgbe_recv_pkts_lro(void *rx_queue, struct rte_mbuf
> **rx_pkts, uint16_t nb_pkts,
> struct ixgbe_rx_entry *next_rxe = NULL;
> struct rte_mbuf *first_seg;
> struct rte_mbuf *rxm;
> - struct rte_mbuf *nmb;
> + struct rte_mbuf *nmb = NULL;
> union ixgbe_adv_rx_desc rxd;
> uint16_t data_len;
> uint16_t next_id;
> --
> 2.21.0
>
>
Tested-by: David Marchand <[email protected]>
--
David Marchand
