!247 fix unnecessary error message print

From: @duguhaotian 
Reviewed-by: @wangfengtu, @jingwoo, @jingxiaolu 
Signed-off-by: @jingxiaolu

0038-just-print-error-when-new-lock-failed.patch

@@ -0,0 +1,30 @@
+From 456d154a6e0a34ac8e4474408ea02f2e0ec6e194 Mon Sep 17 00:00:00 2001
+From: haozi007 <liuhao27@huawei.com>
+Date: Thu, 17 Mar 2022 02:39:46 +0000
+Subject: [PATCH] just print error when new lock failed
+
+Signed-off-by: haozi007 <liuhao27@huawei.com>
+---
+ src/lxc/lxclock.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/lxc/lxclock.c b/src/lxc/lxclock.c
+index 9c9b57c..7114fc5 100644
+--- a/src/lxc/lxclock.c
++++ b/src/lxc/lxclock.c
+@@ -177,10 +177,10 @@ struct lxc_lock *lxc_newlock(const char *lxcpath, const char *name)
+ 	}
+ 
+ 	l->u.f.fd = -1;
+-	return l;
+ 
+ on_error:
+-	fprintf(stderr, "Failed to create lock for %s, path %s\n", name, lxcpath);
++	if (l == NULL)
++		fprintf(stderr, "Failed to create lock for %s, path %s\n", name, lxcpath);
+ 	return l;
+ }
+ 
+-- 
+2.20.1
+

lxc.spec

@@ -1,4 +1,4 @@
-%global _release 2022022101
+%global _release 2022031701
 
 Name:           lxc
 Version:        4.0.3
@@ -45,6 +45,7 @@ Patch0034:	0034-cgfsng-fix-cgroup-attach-cgroup-creation.patch
 Patch0035:	0035-adapt-upstream-compiler-settings.patch
 Patch0036:	0036-compile-in-android-env.patch
 Patch0037:	0037-fix-always-print-and-temp-len.patch
+Patch0038:	0038-just-print-error-when-new-lock-failed.patch
 
 BuildRequires:  systemd-units git libtool graphviz docbook2X doxygen chrpath
 BuildRequires:  pkgconfig(libseccomp)
@@ -216,6 +217,12 @@ make check
 %{_mandir}/*/man7/%{name}*
 
 %changelog
+* Thu Mar 17 2022 haozi007<liuhao27@huawei.com> - 4.0.3-2022031701
+- Type:improv
+- ID:NA
+- SUG:NA
+- DESC: fix unnecessary print error message
+
 * Mon Feb 21 2022 chegJH   <hejunjie10@huawei.com> - 4.0.3-2022022101
 - Type:improv
 - ID:NA

series.conf

@@ -35,3 +35,4 @@
 0035-adapt-upstream-compiler-settings.patch
 0036-compile-in-android-env.patch
 0037-fix-always-print-and-temp-len.patch
+0038-just-print-error-when-new-lock-failed.patch