LU-10886 build: fix warnings during autoconf

[fs/lustre-release.git] / lnet / autoconf / lustre-lnet.m4

diff --git a/lnet/autoconf/lustre-lnet.m4 b/lnet/autoconf/lustre-lnet.m4
index d3a302e..909cc7e 100644 (file)
--- a/lnet/autoconf/lustre-lnet.m4
+++ b/lnet/autoconf/lustre-lnet.m4
@@ -36,12 +36,9 @@ AS_IF([test "x$enable_affinity" = xyes], [
        set_cpus_allowed_ptr, [
                #include <linux/sched.h>
        ],[
-               struct task_struct *t;
-               #if HAVE_CPUMASK_T
-               cpumask_t     m;
-               #else
-               unsigned long m;
-               #endif
+               struct task_struct *t = NULL;
+               cpumask_t m = { };
+
                set_cpus_allowed_ptr(t, &m);
        ],[
                AC_DEFINE(CPU_AFFINITY, 1,
@@ -281,7 +278,7 @@ AS_IF([test $ENABLEO2IB = "no"], [
                        #endif
                        #include <linux/kthread.h>
                ],[
-                       struct kthread_work     *kth_wrk __attribute__ ((unused));
+                       struct kthread_work *kth_wrk = NULL;
                        flush_kthread_work(kth_wrk);
                ],[
                        AC_DEFINE(HAVE_KTHREAD_WORK, 1, [kthread_worker found])
@@ -690,8 +687,8 @@ EXTRA_KCFLAGS="$tmp_flags"
 #
 AC_DEFUN([LN_EXPORT_KMAP_TO_PAGE], [
 LB_CHECK_EXPORT([kmap_to_page], [mm/highmem.c],
-        [AC_DEFINE(HAVE_KMAP_TO_PAGE, 1,
-                [kmap_to_page is exported by the kernel])])
+       [AC_DEFINE(HAVE_KMAP_TO_PAGE, 1,
+               [kmap_to_page is exported by the kernel])])
 ]) # LN_EXPORT_KMAP_TO_PAG
 
 #