[xen staging] xenstore: check formats of trace

[patchbot@xxxxxxx]

commit 4a27a6786573067e69566afd2534edb2814de014
Author:     Norbert Manthey <nmanthey@xxxxxxxxx>
AuthorDate: Fri Feb 26 15:41:37 2021 +0100
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Wed Mar 3 18:13:12 2021 +0000

    xenstore: check formats of trace
    
    When passing format strings to the trace function, allow gcc to analyze
    those and warn on issues.
    
    Signed-off-by: Norbert Manthey <nmanthey@xxxxxxxxx>
    Reviewed-by: Thomas Friebel <friebelt@xxxxxxxxx>
    Reviewed-by: Julien Grall <jgrall@xxxxxxxxxxxx>
    Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
    Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
---
 tools/xenstore/xenstored_core.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/xenstore/xenstored_core.h b/tools/xenstore/xenstored_core.h
index 589699e833..0c9a0961b5 100644
--- a/tools/xenstore/xenstored_core.h
+++ b/tools/xenstore/xenstored_core.h
@@ -217,7 +217,7 @@ int delay_request(struct connection *conn, struct 
buffered_data *in,
 /* Tracing infrastructure. */
 void trace_create(const void *data, const char *type);
 void trace_destroy(const void *data, const char *type);
-void trace(const char *fmt, ...);
+void trace(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
 void dtrace_io(const struct connection *conn, const struct buffered_data 
*data, int out);
 void reopen_log(void);
 void close_log(void);
--
generated by git-patchbot for /home/xen/git/xen.git#staging