Merge branch 'fix-realloc' into 'master'

Fixed realloc due to gcc > 12 on hosts

See merge request certo/linux!1

build.xml

@@ -329,6 +329,9 @@ CONFIG_CROSS_COMPILE="${CLFS_TARGET}"
   <exec executable="tar" failonerror="true">
    <arg line="xf packages/linux/linux-5.12.10.tar.xz -C ${builddir}"/>
   </exec>
+  <exec executable="patch" dir="${builddir}/linux-5.12.10" failonerror="true">
+   <arg line="-Np1 -i ${basedir}/packages/linux/linux-5.12.10-realloc.patch"/>
+  </exec>
   <exec executable="make" dir="${makedir}" failonerror="true">
    <env key="PATH" path="${PATH}"/>
    <env key="CC" value="${CLFS_TARGET}-gcc"/>

linux-5.12.10-realloc.patch

+diff -uNr linux-5.12.10/tools/lib/subcmd/subcmd-util.h linux-5.12.10-realloc-fix/tools/lib/subcmd/subcmd-util.h
+--- linux-5.12.10/tools/lib/subcmd/subcmd-util.h	2021-06-10 19:41:49.000000000 +0800
++++ linux-5.12.10-realloc-fix/tools/lib/subcmd/subcmd-util.h	2023-07-25 13:46:35.201768582 +0800
+@@ -49,13 +49,12 @@
+ 
+ static inline void *xrealloc(void *ptr, size_t size)
+ {
+-	void *ret = realloc(ptr, size);
+-	if (!ret && !size)
+-		ret = realloc(ptr, 1);
++	void *ret;
++	if (!size)
++		size = 1;
++	ret = realloc(ptr, size);
+ 	if (!ret) {
+ 		ret = realloc(ptr, size);
+-		if (!ret && !size)
+-			ret = realloc(ptr, 1);
+ 		if (!ret)
+ 			die("Out of memory, realloc failed");
+ 	}