diff --git a/0005-util-Fix-suffix_si_parse-to-parse-no-decimal-point-b.patch b/0005-util-Fix-suffix_si_parse-to-parse-no-decimal-point-b.patch
new file mode 100644
index 0000000..fc1fb45
--- /dev/null
+++ b/0005-util-Fix-suffix_si_parse-to-parse-no-decimal-point-b.patch
@@ -0,0 +1,118 @@
+From 94d6c2b5088292e101da3e1d078e155a5af32f56 Mon Sep 17 00:00:00 2001
+From: Tokunori Ikegami <ikegami.t@gmail.com>
+Date: Sun, 14 May 2023 17:39:00 +0900
+Subject: [PATCH] util: Fix suffix_si_parse to parse no decimal point but
+ suffix value correctly
+
+For example create-ns command --ncap-si paramter value 800G parsed to 0 as invalid value.
+
+Signed-off-by: Tokunori Ikegami <ikegami.t@gmail.com>
+---
+ unit/test-suffix-si-parse.c |  6 +++++
+ util/suffix.c               | 50 +++++++++++++++++++++++++++----------
+ 2 files changed, 43 insertions(+), 13 deletions(-)
+
+diff --git a/unit/test-suffix-si-parse.c b/unit/test-suffix-si-parse.c
+index bc924552..54cff0e6 100644
+--- a/unit/test-suffix-si-parse.c
++++ b/unit/test-suffix-si-parse.c
+@@ -43,6 +43,12 @@ static struct tonum_test tonum_tests[] = {
+ 	{ "2,33", 0, -EINVAL },
+ 	{ "3..3", 0, -EINVAL },
+ 	{ "123.12MM", 0, -EINVAL },
++	{ "800G", 800000000000, 0 },
++	{ "800GG", 0, -EINVAL },
++	{ "800G800", 0, -EINVAL },
++	{ "800.0G", 800000000000, 0 },
++	{ "800.G", 0, -EINVAL },
++	{ "800.", 0, -EINVAL },
+ };
+ 
+ void tonum_test(struct tonum_test *test)
+diff --git a/util/suffix.c b/util/suffix.c
+index 8ed080d4..f010f3b6 100644
+--- a/util/suffix.c
++++ b/util/suffix.c
+@@ -40,6 +40,7 @@
+ #include <float.h>
+ #include <limits.h>
+ #include <locale.h>
++#include <stdio.h>
+ 
+ static struct si_suffix {
+ 	long double magnitude;
+@@ -68,11 +69,26 @@ const char *suffix_si_get(double *value)
+ 	return suffix;
+ }
+ 
++static bool suffix_si_check(const char val)
++{
++	int i;
++	struct si_suffix *s;
++
++	for (i = 0; i < ARRAY_SIZE(si_suffixes); i++) {
++		s = &si_suffixes[i];
++
++		if (val == *s->suffix)
++			return true;
++	}
++
++	return false;
++}
++
+ int suffix_si_parse(const char *str, char **endptr, uint64_t *val)
+ {
+-	unsigned long long num, frac;
++	unsigned long long num, frac = 0;
+ 	char *sep, *tmp;
+-	int frac_len, len, i;
++	int frac_len = 0, len, i;
+ 
+ 	num = strtoull(str, endptr, 0);
+ 	if (str == *endptr ||
+@@ -93,23 +109,31 @@ int suffix_si_parse(const char *str, char **endptr, uint64_t *val)
+ 		len = 0;
+ 
+ 	for (i = 0; i < len; i++) {
++		if (suffix_si_check((*endptr)[i]))
++			break;
+ 		if (((*endptr)[i] == '\0') || (*endptr)[i] != sep[i])
+ 			return -EINVAL;
+ 	}
+-	*endptr += len;
+-	tmp = *endptr;
+ 
+-	/* extract the digits after decimal point */
+-	frac = strtoull(tmp, endptr, 0);
+-	if (tmp == *endptr ||
+-	    ((frac == ULLONG_MAX) && errno == ERANGE))
+-		return -EINVAL;
++	if (suffix_si_check((*endptr)[i])) {
++		if ((*endptr)[i + 1] != '\0')
++			return -EINVAL;
++	} else {
++		*endptr += len;
++		tmp = *endptr;
++
++		/* extract the digits after decimal point */
++		frac = strtoull(tmp, endptr, 0);
++		if (tmp == *endptr ||
++		    ((frac == ULLONG_MAX) && errno == ERANGE))
++			return -EINVAL;
+ 
+-	/* test that we have max one character as suffix */
+-	if ((*endptr)[0] != '\0' && (*endptr)[1] != '\0')
+-		return -EINVAL;
++		/* test that we have max one character as suffix */
++		if ((*endptr)[0] != '\0' && (*endptr)[1] != '\0')
++			return -EINVAL;
+ 
+-	frac_len = *endptr - tmp;
++		frac_len = *endptr - tmp;
++	}
+ 
+ 	for (i = 0; i < ARRAY_SIZE(si_suffixes); i++) {
+ 		struct si_suffix *s = &si_suffixes[i];
+-- 
+2.39.3
+
diff --git a/nvme-cli.spec b/nvme-cli.spec
index 2b9fbec..11d6724 100644
--- a/nvme-cli.spec
+++ b/nvme-cli.spec
@@ -3,7 +3,7 @@
 
 Name:           nvme-cli
 Version:        2.4
-Release:        6%{?dist}
+Release:        7%{?dist}
 Summary:        NVMe management command line interface
 
 License:        GPLv2+
@@ -14,6 +14,7 @@ Patch0:         0001-nbft-make-lookup_ctrl-function-public.patch
 Patch1:         0002-nbft-added-NBFT-v1.0-table-support.patch
 Patch2:         0003-nbft-add-the-nbft-show-plugin.patch
 Patch3:         0004-Revert-nvme-Masks-SSTAT-in-sanize-log-output.patch
+Patch4:         0005-util-Fix-suffix_si_parse-to-parse-no-decimal-point-b.patch
 
 BuildRequires:  meson >= 0.50.0
 BuildRequires:  gcc gcc-c++
@@ -39,6 +40,7 @@ nvme-cli provides NVM-Express user space tooling for Linux.
 %patch1 -p1
 %patch2 -p1
 %patch3 -p1
+%patch4 -p1
 
 %build
 %meson -Dudevrulesdir=%{_udevrulesdir} -Dsystemddir=%{_unitdir} -Ddocs=all -Ddocs-build=true -Dhtmldir=%{_pkgdocdir}
@@ -97,6 +99,8 @@ if [ $1 -eq 1 ] || [ $1 -eq 2 ]; then
 fi
 
 %changelog
+* Wed Jun 14 2023 Maurizio Lombardi <mlombard@redhat.com> - 2.4-7
+- Fix BZ#2210656
 
 * Tue May 30 2023 Maurizio Lombardi <mlombard@redhat.com> - 2.4-6
 - Rebuild for #2208399