gh-129719: Restore missing socket.CAN_RAW_ERR_FILTER on Linux (#129721)

jbogers · blurb-it[bot] · ZeroIntensity · web-flow · commit ce31ae5209c9 · 2025-04-18T22:59:37.000+03:00
Co-authored-by: blurb-it[bot] &lt;43283697+blurb-it[bot]@users.noreply.github.com&gt;
Co-authored-by: Peter Bierma &lt;zintensitydev@gmail.com&gt;
diff --git a/Doc/library/socket.rst b/Doc/library/socket.rst
@@ -498,6 +498,9 @@ Constants
    .. versionchanged:: 3.11
       NetBSD support was added.
 
+   .. versionchanged:: next
+      Restored missing ``CAN_RAW_ERR_FILTER`` on Linux.
+
 .. data:: CAN_BCM
           CAN_BCM_*
 
diff --git a/Misc/NEWS.d/next/Library/2025-02-06-11-23-51.gh-issue-129719.Of6rvb.rst b/Misc/NEWS.d/next/Library/2025-02-06-11-23-51.gh-issue-129719.Of6rvb.rst
@@ -0,0 +1 @@
+Fix missing :data:`!socket.CAN_RAW_ERR_FILTER` constant in the socket module on Linux systems. It was missing since Python 3.11.
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
@@ -8332,7 +8332,7 @@ socket_exec(PyObject *m)
 #endif
 #if defined(HAVE_LINUX_CAN_RAW_H) || defined(HAVE_NETCAN_CAN_H)
     ADD_INT_MACRO(m, CAN_RAW_FILTER);
-#ifdef CAN_RAW_ERR_FILTER
+#ifdef HAVE_LINUX_CAN_RAW_H
     ADD_INT_MACRO(m, CAN_RAW_ERR_FILTER);
 #endif
     ADD_INT_MACRO(m, CAN_RAW_LOOPBACK);

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Fix missing :data:`!socket.CAN_RAW_ERR_FILTER` constant in the socket module on Linux systems. It was missing since Python 3.11.