Mark the trylock family of spinlock functions with
__rte_warn_unused_result.

Acked-by: Bruce Richardson <bruce.richard...@intel.com>

Signed-off-by: Mattias Rönnblom <mattias.ronnb...@ericsson.com>
---
 lib/eal/include/generic/rte_spinlock.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/eal/include/generic/rte_spinlock.h 
b/lib/eal/include/generic/rte_spinlock.h
index 40fe49d5ad..73ed4bfbdc 100644
--- a/lib/eal/include/generic/rte_spinlock.h
+++ b/lib/eal/include/generic/rte_spinlock.h
@@ -97,6 +97,7 @@ rte_spinlock_unlock (rte_spinlock_t *sl)
  * @return
  *   1 if the lock is successfully taken; 0 otherwise.
  */
+__rte_warn_unused_result
 static inline int
 rte_spinlock_trylock (rte_spinlock_t *sl);
 
@@ -174,6 +175,7 @@ rte_spinlock_unlock_tm(rte_spinlock_t *sl);
  *   1 if the hardware memory transaction is successfully started
  *   or lock is successfully taken; 0 otherwise.
  */
+__rte_warn_unused_result
 static inline int
 rte_spinlock_trylock_tm(rte_spinlock_t *sl);
 
@@ -243,6 +245,7 @@ static inline void 
rte_spinlock_recursive_unlock(rte_spinlock_recursive_t *slr)
  * @return
  *   1 if the lock is successfully taken; 0 otherwise.
  */
+__rte_warn_unused_result
 static inline int rte_spinlock_recursive_trylock(rte_spinlock_recursive_t *slr)
 {
        int id = rte_gettid();
@@ -299,6 +302,7 @@ static inline void rte_spinlock_recursive_unlock_tm(
  *   1 if the hardware memory transaction is successfully started
  *   or lock is successfully taken; 0 otherwise.
  */
+__rte_warn_unused_result
 static inline int rte_spinlock_recursive_trylock_tm(
        rte_spinlock_recursive_t *slr);
 
-- 
2.25.1

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