[PATCH v7 09/13] lib/vsprintf: Add a note on re-using %pf or %pF
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: 2019-09-18 13:34:17
Also in:
linux-acpi, lkml
Subsystem:
library code, the rest, vsprintf · Maintainers:
Andrew Morton, Linus Torvalds, Petr Mladek, Steven Rostedt
Add a note warning of re-use of obsolete %pf or %pF extensions. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: Steven Rostedt <rostedt@goodmis.org> --- lib/vsprintf.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index b00b57f9f911f..df59818537b52 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c@@ -2008,6 +2008,8 @@ static char *kobject_string(char *buf, char *end, void *ptr, * - 'S' For symbolic direct pointers (or function descriptors) with offset * - 's' For symbolic direct pointers (or function descriptors) without offset * - '[Ss]R' as above with __builtin_extract_return_addr() translation + * - '[Ff]' Obsolete an now unsupported extension for printing direct pointers + * or function descriptors. Be careful when re-using %pf or %pF! * - 'B' For backtraced symbolic direct pointers with offset * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref] * - 'r' For raw struct resource, e.g., [mem 0x0-0x1f flags 0x201]
--
2.20.1