eal/linux: eliminate cast of HPET thread signature

The cast of hpet_msb_inc is causing a warning in some compilations.
Yet the cast is unnecessary, the function is used only one place
just use the correct signature.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/lib/librte_eal/linuxapp/eal/eal_timer.c b/lib/librte_eal/linuxapp/eal/eal_timer.c
index 2766bd7..bc8f051 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_timer.c
+++ b/lib/librte_eal/linuxapp/eal/eal_timer.c
@@ -87,7 +87,7 @@ static pthread_t msb_inc_thread_id;
  * containing used to process MSB of the HPET (unfortunately, we need
  * this because hpet is 32 bits by default under linux).
  */
-static void
+static void *
 hpet_msb_inc(__attribute__((unused)) void *arg)
 {
        uint32_t t;
@@ -98,6 +98,7 @@ hpet_msb_inc(__attribute__((unused)) void *arg)
                        eal_hpet_msb ++;
                sleep(10);
        }
+       return NULL;
 }
 
 uint64_t
@@ -178,7 +179,7 @@ rte_eal_hpet_init(int make_default)
        /* create a thread that will increment a global variable for
         * msb (hpet is 32 bits by default under linux) */
        ret = rte_ctrl_thread_create(&msb_inc_thread_id, "hpet-msb-inc", NULL,
-                       (void *(*)(void *))hpet_msb_inc, NULL);
+                                    hpet_msb_inc, NULL);
        if (ret != 0) {
                RTE_LOG(ERR, EAL, "ERROR: Cannot create HPET timer thread!\n");
                internal_config.no_hpet = 1;