linux-kernel - [PATCH v2 19/28] vsprintf: flags_string() no longer takes printf

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Date:   Thu, 19 May 2022 13:24:12 -0400
From:   Kent Overstreet <kent.overstreet@...il.com>
To:     linux-kernel@...r.kernel.org, linux-mm@...r.kernel.org,
        pmladek@...e.com, rostedt@...dmis.org, senozhatsky@...omium.org
Cc:     Kent Overstreet <kent.overstreet@...il.com>,
        andriy.shevchenko@...ux.intel.com, willy@...radead.org
Subject: [PATCH v2 19/28] vsprintf: flags_string() no longer takes printf_spec

We're attempting to consolidate printf_spec and format string handling
in the top level vpr_buf(), this changes time_and_date() to not
take printf_spec.

Signed-off-by: Kent Overstreet <kent.overstreet@...il.com>
---
 lib/vsprintf.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 837a3f967e..971cf17d33 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1916,12 +1916,12 @@ void format_page_flags(struct printbuf *out, unsigned long flags)
 
 static noinline_for_stack
 void flags_string(struct printbuf *out, void *flags_ptr,
-		  struct printf_spec spec, const char *fmt)
+		  const char *fmt)
 {
 	unsigned long flags;
 	const struct trace_print_flags *names;
 
-	if (check_pointer_spec(out, flags_ptr, spec))
+	if (check_pointer(out, flags_ptr))
 		return;
 
 	switch (fmt[1]) {
@@ -1936,7 +1936,7 @@ void flags_string(struct printbuf *out, void *flags_ptr,
 		names = gfpflag_names;
 		break;
 	default:
-		return error_string_spec(out, "(%pG?)", spec);
+		return error_string(out, "(%pG?)");
 	}
 
 	return format_flags(out, flags, names);
@@ -2313,7 +2313,8 @@ void pointer(struct printbuf *out, const char *fmt,
 #endif
 
 	case 'G':
-		return flags_string(out, ptr, spec, fmt);
+		flags_string(out, ptr, fmt);
+		return do_width_precision(out, prev_pos, spec);
 	case 'O':
 		return device_node_string(out, ptr, spec, fmt + 1);
 	case 'f':
-- 
2.36.0