From: David Marchand <david.marchand@redhat.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev <dev@dpdk.org>, vladz@cloudius-systems.com
Subject: Re: [dpdk-dev] [PATCH 1/4] net/ixgbe: fix warning with GCC 9 on Fedora 30
Date: Thu, 2 May 2019 14:20:59 +0200 [thread overview]
Message-ID: <CAJFAV8z1=HJ_ctmFGPpduZ0XV4zZ_T_VFEDXLCFAwbzL3JCffA@mail.gmail.com> (raw)
Message-ID: <20190502122059.SpSjmH1eDg0QhT64KDkBlCIXcr0DLlO8kWj29NPxsBU@z> (raw)
In-Reply-To: <20190501195014.2938-2-bruce.richardson@intel.com>
On Wed, May 1, 2019 at 9:50 PM Bruce Richardson <bruce.richardson@intel.com>
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: vladz@cloudius-systems.com
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
> 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 <david.marchand@redhat.com>
--
David Marchand
next prev parent reply other threads:[~2019-05-02 12:21 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-01 19:50 [dpdk-dev] [PATCH 0/4] fix warnings with gcc " Bruce Richardson
2019-05-01 19:50 ` Bruce Richardson
2019-05-01 19:50 ` [dpdk-dev] [PATCH 1/4] net/ixgbe: fix warning with GCC " Bruce Richardson
2019-05-01 19:50 ` Bruce Richardson
2019-05-02 12:20 ` David Marchand [this message]
2019-05-02 12:20 ` David Marchand
2019-05-01 19:50 ` [dpdk-dev] [PATCH 2/4] bus/fslmc: fix printf of null pointer Bruce Richardson
2019-05-01 19:50 ` Bruce Richardson
2019-05-02 12:20 ` David Marchand
2019-05-02 12:20 ` David Marchand
2019-05-01 19:50 ` [dpdk-dev] [PATCH 3/4] raw/skeleton_rawdev: fix warnings with GCC 9 on Fedora 30 Bruce Richardson
2019-05-01 19:50 ` Bruce Richardson
2019-05-02 12:22 ` David Marchand
2019-05-02 12:22 ` David Marchand
2019-05-01 19:50 ` [dpdk-dev] [PATCH 4/4] raw/dpaa2_cmdif: " Bruce Richardson
2019-05-01 19:50 ` Bruce Richardson
2019-05-02 12:24 ` David Marchand
2019-05-02 12:24 ` David Marchand
2019-05-02 12:18 ` [dpdk-dev] [PATCH 0/4] fix warnings with gcc " Thomas Monjalon
2019-05-02 12:18 ` Thomas Monjalon
2019-05-02 12:32 ` [dpdk-dev] [dpdk-stable] " David Marchand
2019-05-02 12:32 ` David Marchand
2019-05-02 13:24 ` Bruce Richardson
2019-05-02 13:24 ` Bruce Richardson
2019-05-02 13:32 ` David Marchand
2019-05-02 13:32 ` David Marchand
2019-05-02 13:46 ` Bruce Richardson
2019-05-02 13:46 ` Bruce Richardson
2019-05-02 13:53 ` David Marchand
2019-05-02 13:53 ` David Marchand
2019-05-02 14:04 ` Bruce Richardson
2019-05-02 14:04 ` Bruce Richardson
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