This patch fixes a number of instances of the same return
value mis-check, where previously we checked for a negative
return value as error, however the API returns an unsigned
integer, so these return value checks are invalid.
The rte_event_enqueue_burst() API returns the number of
events enqueued, so in order to identify the error case,
we must check for != the number of intended enqueues.
Fixes: cd1a9e3eab55 ("test/eventdev: add SW tests for load balancing")
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
---
Given this commit only changes the test-suite, and not production
code I don't see value in backporting it to stable releases.
These issues were flagged by the LGTM static analysis tool.
---
drivers/event/sw/sw_evdev_selftest.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
On Wed, 2019-03-27 at 18:45 +0000, Harry van Haaren wrote:
> -------------------------------------------------------------------
> ---
> This patch fixes a number of instances of the same return
> value mis-check, where previously we checked for a negative
> return value as error, however the API returns an unsigned
> integer, so these return value checks are invalid.
>
> The rte_event_enqueue_burst() API returns the number of
> events enqueued, so in order to identify the error case,
> we must check for != the number of intended enqueues.
>
> Fixes: cd1a9e3eab55 ("test/eventdev: add SW tests for load
> balancing")
Cc: stable@dpdk.org
> Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Applied to dpdk-next-eventdev/master. Thanks.
@@ -385,7 +385,7 @@ run_prio_packet_test(struct test *t)
.mbuf = arp
};
err = rte_event_enqueue_burst(evdev, t->port[0], &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: error failed to enqueue\n", __LINE__);
return -1;
}
@@ -477,7 +477,7 @@ test_single_directed_packet(struct test *t)
/* generate pkt and enqueue */
err = rte_event_enqueue_burst(evdev, rx_enq, &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: error failed to enqueue\n", __LINE__);
return -1;
}
@@ -546,7 +546,7 @@ test_directed_forward_credits(struct test *t)
for (i = 0; i < 1000; i++) {
err = rte_event_enqueue_burst(evdev, 0, &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: error failed to enqueue\n", __LINE__);
return -1;
}
@@ -707,7 +707,7 @@ burst_packets(struct test *t)
};
/* generate pkt and enqueue */
err = rte_event_enqueue_burst(evdev, t->port[rx_port], &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: Failed to enqueue\n", __LINE__);
return -1;
}
@@ -795,7 +795,7 @@ abuse_inflights(struct test *t)
/* Enqueue op only */
err = rte_event_enqueue_burst(evdev, t->port[rx_enq], &release_ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: Failed to enqueue\n", __LINE__);
return -1;
}
@@ -2026,7 +2026,7 @@ load_balancing(struct test *t)
};
/* generate pkt and enqueue */
err = rte_event_enqueue_burst(evdev, t->port[rx_enq], &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: Failed to enqueue\n", __LINE__);
return -1;
}
@@ -2125,7 +2125,7 @@ load_balancing_history(struct test *t)
}
arp->hash.rss = flows1[i];
err = rte_event_enqueue_burst(evdev, t->port[rx_enq], &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: Failed to enqueue\n", __LINE__);
return -1;
}
@@ -2175,7 +2175,7 @@ load_balancing_history(struct test *t)
arp->hash.rss = flows2[i];
err = rte_event_enqueue_burst(evdev, t->port[rx_enq], &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: Failed to enqueue\n", __LINE__);
return -1;
}
@@ -2285,7 +2285,7 @@ invalid_qid(struct test *t)
};
/* generate pkt and enqueue */
err = rte_event_enqueue_burst(evdev, t->port[rx_enq], &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: Failed to enqueue\n", __LINE__);
return -1;
}
@@ -2372,7 +2372,7 @@ single_packet(struct test *t)
arp->seqn = MAGIC_SEQN;
err = rte_event_enqueue_burst(evdev, t->port[rx_enq], &ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: Failed to enqueue\n", __LINE__);
return -1;
}
@@ -2416,7 +2416,7 @@ single_packet(struct test *t)
rte_pktmbuf_free(ev.mbuf);
err = rte_event_enqueue_burst(evdev, t->port[wrk_enq], &release_ev, 1);
- if (err < 0) {
+ if (err != 1) {
printf("%d: Failed to enqueue\n", __LINE__);
return -1;
}