Linux: Suppress -Wordered-compare-function-pointers in tracepoint code

Clang points out that there is a comparison against -1, but we cannot fix it because that is from the kernel headers, which we must support. We can workaround this by using a pragma. Sponsored-By: Wasabi Technology, Inc. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Youzhong Yang <[email protected]> Signed-off-by: Richard Yao <[email protected]> Closes openzfs#14738
oshogbo · Apr 20, 2023 · 135d9a9 · 135d9a9
1 parent ab71b24
commit 135d9a9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/os/linux/zfs/sys/trace_zil.h b/include/os/linux/zfs/sys/trace_zil.h
@@ -152,6 +152,9 @@
  *     zilog_t *, ...,
  *     itx_t *, ...);
  */
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wordered-compare-function-pointers"
 /* BEGIN CSTYLED */
 DECLARE_EVENT_CLASS(zfs_zil_process_itx_class,
 	TP_PROTO(zilog_t *zilog, itx_t *itx),
@@ -169,6 +172,7 @@ DECLARE_EVENT_CLASS(zfs_zil_process_itx_class,
 	    ZILOG_TP_PRINTK_ARGS, ITX_TP_PRINTK_ARGS)
 );
 /* END CSTYLED */
+#pragma clang diagnostic pop
 
 #define	DEFINE_ZIL_PROCESS_ITX_EVENT(name) \
 DEFINE_EVENT(zfs_zil_process_itx_class, name, \