irq_work: Drop cmpxchg() result

[~andy/linux] / kernel / irq_work.c

diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index f16763ff8481b727bdf0263c241ddf2e1d6ba09a..90f881904bb1202ba1566f5db2e28eaf128551b9 100644 (file)
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -145,7 +145,9 @@ void irq_work_run(void)
                 * Clear the BUSY bit and return to the free state if
                 * no-one else claimed it meanwhile.
                 */
-               cmpxchg(&entry->next, next_flags(NULL, IRQ_WORK_BUSY), NULL);
+               (void)cmpxchg(&entry->next,
+                             next_flags(NULL, IRQ_WORK_BUSY),
+                             NULL);
        }
 }
 EXPORT_SYMBOL_GPL(irq_work_run);