diff --git a/config/kernel-inode-times.m4 b/config/kernel-inode-times.m4
index 412e13b47df5..aae95abf1720 100644
--- a/config/kernel-inode-times.m4
+++ b/config/kernel-inode-times.m4
@@ -1,93 +1,93 @@
 AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_TIMES], [
 
 	dnl #
 	dnl # 5.6 API change
 	dnl # timespec64_trunc() replaced by timestamp_truncate() interface.
 	dnl #
 	ZFS_LINUX_TEST_SRC([timestamp_truncate], [
 		#include <linux/fs.h>
 	],[
 		struct timespec64 ts;
 		struct inode ip;
 
 		memset(&ts, 0, sizeof(ts));
 		ts = timestamp_truncate(ts, &ip);
 	])
 
 	dnl #
 	dnl # 4.18 API change
 	dnl # i_atime, i_mtime, and i_ctime changed from timespec to timespec64.
 	dnl #
 	ZFS_LINUX_TEST_SRC([inode_times], [
 		#include <linux/fs.h>
 	],[
 		struct inode ip;
 		struct timespec ts;
 
 		memset(&ip, 0, sizeof(ip));
 		ts = ip.i_mtime;
 	])
 
 	dnl #
 	dnl # 6.6 API change
 	dnl # i_ctime no longer directly accessible, must use
 	dnl # inode_get_ctime(ip), inode_set_ctime*(ip) to
 	dnl # read/write.
 	dnl #
 	ZFS_LINUX_TEST_SRC([inode_get_ctime], [
 		#include <linux/fs.h>
 	],[
 		struct inode ip;
 
 		memset(&ip, 0, sizeof(ip));
 		inode_get_ctime(&ip);
 	])
 
 	ZFS_LINUX_TEST_SRC([inode_set_ctime_to_ts], [
 		#include <linux/fs.h>
 	],[
 		struct inode ip;
-		struct timespec64 ts;
+		struct timespec64 ts = {0};
 
 		memset(&ip, 0, sizeof(ip));
 		inode_set_ctime_to_ts(&ip, ts);
 	])
 ])
 
 AC_DEFUN([ZFS_AC_KERNEL_INODE_TIMES], [
 	AC_MSG_CHECKING([whether timestamp_truncate() exists])
 	ZFS_LINUX_TEST_RESULT([timestamp_truncate], [
 		AC_MSG_RESULT(yes)
 		AC_DEFINE(HAVE_INODE_TIMESTAMP_TRUNCATE, 1,
 		    [timestamp_truncate() exists])
 	],[
 		AC_MSG_RESULT(no)
 	])
 
 	AC_MSG_CHECKING([whether inode->i_*time's are timespec64])
 	ZFS_LINUX_TEST_RESULT([inode_times], [
 		AC_MSG_RESULT(no)
 	],[
 		AC_MSG_RESULT(yes)
 		AC_DEFINE(HAVE_INODE_TIMESPEC64_TIMES, 1,
 		    [inode->i_*time's are timespec64])
 	])
 
 	AC_MSG_CHECKING([whether inode_get_ctime() exists])
 	ZFS_LINUX_TEST_RESULT([inode_get_ctime], [
 		AC_MSG_RESULT(yes)
 		AC_DEFINE(HAVE_INODE_GET_CTIME, 1,
 		    [inode_get_ctime() exists in linux/fs.h])
 	],[
 		AC_MSG_RESULT(no)
 	])
 
 	AC_MSG_CHECKING([whether inode_set_ctime_to_ts() exists])
 	ZFS_LINUX_TEST_RESULT([inode_set_ctime_to_ts], [
 		AC_MSG_RESULT(yes)
 		AC_DEFINE(HAVE_INODE_SET_CTIME_TO_TS, 1,
 		    [inode_set_ctime_to_ts() exists in linux/fs.h])
 	],[
 		AC_MSG_RESULT(no)
 	])
 ])