[v2] examples/ioat: resolve unchecked return value
Checks
Commit Message
patch checks the return value of function rte_eth_dev_info_get,
if return value is negative error message printed on the console.
Coverity issue: 350361
Fixes: c8e6ceecebc1 ("examples/ioat: add new sample app for ioat driver")
Cc: pawelx.modrak@intel.com
Signed-off-by: Praveen Shetty <praveen.shetty@intel.com>
---
examples/ioat/ioatfwd.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
Comments
On Thu, Nov 28, 2019 at 11:27:14AM +0000, Praveen Shetty wrote:
> patch checks the return value of function rte_eth_dev_info_get,
> if return value is negative error message printed on the console.
>
> Coverity issue: 350361
> Fixes: c8e6ceecebc1 ("examples/ioat: add new sample app for ioat driver")
> Cc: pawelx.modrak@intel.com
>
> Signed-off-by: Praveen Shetty <praveen.shetty@intel.com>
> ---
> examples/ioat/ioatfwd.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Thanks for the fix.
This is non-critical so merge can be deferred to 20.02
On Thu, Nov 28, 2019 at 12:32 PM Bruce Richardson
<bruce.richardson@intel.com> wrote:
>
> On Thu, Nov 28, 2019 at 11:27:14AM +0000, Praveen Shetty wrote:
> > patch checks the return value of function rte_eth_dev_info_get,
> > if return value is negative error message printed on the console.
> >
> > Coverity issue: 350361
> > Fixes: c8e6ceecebc1 ("examples/ioat: add new sample app for ioat driver")
Cc: stable@dpdk.org
> >
> > Signed-off-by: Praveen Shetty <praveen.shetty@intel.com>
> > ---
> > examples/ioat/ioatfwd.c | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Applied, thanks.
@@ -824,7 +824,11 @@ port_init(uint16_t portid, struct rte_mempool *mbuf_pool, uint16_t nb_queues)
/* Init port */
printf("Initializing port %u... ", portid);
fflush(stdout);
- rte_eth_dev_info_get(portid, &dev_info);
+ ret = rte_eth_dev_info_get(portid, &dev_info);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Cannot get device info: %s, port=%u\n",
+ rte_strerror(-ret), portid);
+
local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
dev_info.flow_type_rss_offloads;
if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)