LU-10886 build: fix warnings during autoconf

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

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index 21c8208..2df490a 100644 (file)
--- a/libcfs/autoconf/lustre-libcfs.m4
+++ b/libcfs/autoconf/lustre-libcfs.m4
@@ -316,7 +316,7 @@ ktime_get_ts64, [
 #
 # Linux kernel 3.12 introduced struct kernel_param_ops
 # This has been backported to all lustre supported
-# clients expect RHEL6. We have to handle the differences.
+# clients except RHEL6. We have to handle the differences.
 #
 AC_DEFUN([LIBCFS_KERNEL_PARAM_OPS],[
 LB_CHECK_COMPILE([does 'struct kernel_param_ops' exist],
@@ -324,6 +324,8 @@ kernel_param_ops, [
        #include <linux/module.h>
 ],[
        struct kernel_param_ops ops;
+
+       ops.set = NULL;
 ],[
        AC_DEFINE(HAVE_KERNEL_PARAM_OPS, 1,
                ['struct kernel_param_ops' is available])
@@ -417,7 +419,9 @@ shrinker_count_objects, [
        #include <linux/mmzone.h>
        #include <linux/shrinker.h>
 ],[
-       ((struct shrinker*)0)->count_objects(NULL, NULL);
+       struct shrinker shrinker;
+
+       shrinker.count_objects = NULL;
 ],[
        AC_DEFINE(HAVE_SHRINKER_COUNT, 1,
                [shrinker has count_objects member])
@@ -539,7 +543,7 @@ ktime_to_timespec64, [
        #include <linux/ktime.h>
 ],[
        struct timespec64 ts;
-       ktime_t now;
+       ktime_t now = { };
 
        ts = ktime_to_timespec64(now);
 ],[
@@ -556,7 +560,7 @@ LB_CHECK_COMPILE([does function 'timespec64_sub' exist],
 timespec64_sub, [
        #include <linux/time.h>
 ],[
-       struct timespec64 later,earlier,diff;
+       struct timespec64 later = { }, earlier = { }, diff;
 
        diff = timespec64_sub(later, earlier);
 ],[
@@ -845,6 +849,8 @@ wait_queue_entry, [
        #include <linux/wait.h>
 ],[
        wait_queue_entry_t e;
+
+       e.flags = 0;
 ],[
        AC_DEFINE(HAVE_WAIT_QUEUE_ENTRY, 1,
                ['wait_queue_entry_t' is available])