Fix brackets around the & operator to first mask a single bit
and then perform the not operator. Previously the result was
not as expected, due to the ! operator being performed first.

As noted on list[1] Clang 4.0 warns about a possible bug for
this type of line:
        if (!variable & FLAG) {

Fixes: 4f0804bbdfb9 ("eventdev: implement the northbound APIs")

Signed-off-by: Harry van Haaren <harry.van.haa...@intel.com>

[1] http://dpdk.org/ml/archives/dev/2017-April/064089.html
---
 lib/librte_eventdev/rte_eventdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eventdev/rte_eventdev.c 
b/lib/librte_eventdev/rte_eventdev.c
index 8042988..a64071e 100644
--- a/lib/librte_eventdev/rte_eventdev.c
+++ b/lib/librte_eventdev/rte_eventdev.c
@@ -368,7 +368,8 @@ rte_event_dev_configure(uint8_t dev_id,
        (*dev->dev_ops->dev_infos_get)(dev, &info);
 
        /* Check dequeue_timeout_ns value is in limit */
-       if (!dev_conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
+       if (!(dev_conf->event_dev_cfg &
+                               RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)) {
                if (dev_conf->dequeue_timeout_ns < info.min_dequeue_timeout_ns
                        || dev_conf->dequeue_timeout_ns >
                                 info.max_dequeue_timeout_ns) {
-- 
2.7.4

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