libnvpair: fix unused, remove argsused

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12844

lib/libnvpair/libnvpair.c

@@ -253,11 +253,11 @@ NVLIST_ARRPRTFUNC(int64_array, int64_t, longlong_t, "%lld")
 NVLIST_ARRPRTFUNC(uint64_array, uint64_t, u_longlong_t, "0x%llx")
 NVLIST_ARRPRTFUNC(string_array, char *, char *, "%s")
 
-/*ARGSUSED*/
 static int
 nvprint_nvlist(nvlist_prtctl_t pctl, void *private,
     nvlist_t *nvl, const char *name, nvlist_t *value)
 {
+	(void) private, (void) nvl;
 	FILE *fp = pctl->nvprt_fp;
 
 	indent(pctl, 1);
@@ -273,11 +273,11 @@ nvprint_nvlist(nvlist_prtctl_t pctl, void *private,
 	return (1);
 }
 
-/*ARGSUSED*/
 static int
 nvaprint_nvlist_array(nvlist_prtctl_t pctl, void *private,
     nvlist_t *nvl, const char *name, nvlist_t **valuep, uint_t count)
 {
+	(void) private, (void) nvl;
 	FILE *fp = pctl->nvprt_fp;
 	uint_t i;
 

lib/libnvpair/nvpair_alloc_system.c

@@ -36,10 +36,10 @@ nv_alloc_sys(nv_alloc_t *nva, size_t size)
 	return (kmem_alloc(size, (int)(uintptr_t)nva->nva_arg));
 }
 
-/*ARGSUSED*/
 static void
 nv_free_sys(nv_alloc_t *nva, void *buf, size_t size)
 {
+	(void) nva;
 	kmem_free(buf, size);
 }
 

module/nvpair/fnvpair.c

@@ -82,13 +82,13 @@ fnvlist_pack(nvlist_t *nvl, size_t *sizep)
 	return (packed);
 }
 
-/*ARGSUSED*/
 void
 fnvlist_pack_free(char *pack, size_t size)
 {
 #ifdef _KERNEL
 	kmem_free(pack, size);
 #else
+	(void) size;
 	free(pack);
 #endif
 }

module/nvpair/nvpair.c

@@ -576,6 +576,7 @@ nvlist_nv_alloc(int kmflag)
 		return (nv_alloc_pushpage);
 	}
 #else
+	(void) kmflag;
 	return (nv_alloc_nosleep);
 #endif /* _KERNEL */
 }
@@ -2296,10 +2297,11 @@ nvlist_add_nvpair(nvlist_t *nvl, nvpair_t *nvp)
  * the values are taken from nvl in the case of duplicates.
  * Return 0 on success.
  */
-/*ARGSUSED*/
 int
 nvlist_merge(nvlist_t *dst, nvlist_t *nvl, int flag)
 {
+	(void) flag;
+
 	if (nvl == NULL || dst == NULL)
 		return (EINVAL);
 
@@ -2803,10 +2805,10 @@ nvs_native_create(nvstream_t *nvs, nvs_native_t *native, char *buf,
 	}
 }
 
-/*ARGSUSED*/
 static void
 nvs_native_destroy(nvstream_t *nvs)
 {
+	(void) nvs;
 }
 
 static int

module/nvpair/nvpair_alloc_fixed.c

@@ -85,11 +85,11 @@ nv_fixed_alloc(nv_alloc_t *nva, size_t size)
 	return ((void *)new);
 }
 
-/*ARGSUSED*/
 static void
 nv_fixed_free(nv_alloc_t *nva, void *buf, size_t size)
 {
 	/* don't free memory in the pre-allocated buffer */
+	(void) nva, (void) buf, (void) size;
 }
 
 static void