diff mbox series

[06/24] efi/printf: Drop %n format and L qualifier

Message ID 20200518190716.751506-7-nivedita@alum.mit.edu
State New
Headers show
Series [01/24] efi/libstub: Include dependencies of efistub.h | expand

Commit Message

Arvind Sankar May 18, 2020, 7:06 p.m. UTC 
%n is unused and deprecated.

The L qualifer is parsed but not actually implemented.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
---
 drivers/firmware/efi/libstub/vsprintf.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/firmware/efi/libstub/vsprintf.c b/drivers/firmware/efi/libstub/vsprintf.c
index 88483a49bac4..2815196de40b 100644
--- a/drivers/firmware/efi/libstub/vsprintf.c
+++ b/drivers/firmware/efi/libstub/vsprintf.c
@@ -127,7 +127,7 @@  int vsprintf(char *buf, const char *fmt, va_list args)
 	int field_width;	/* width of output field */
 	int precision;		/* min. # of digits for integers; max
 				   number of chars for from string */
-	int qualifier;		/* 'h', 'l', or 'L' for integer fields */
+	int qualifier;		/* 'h' or 'l' for integer fields */
 
 	for (str = buf; *fmt; ++fmt) {
 		if (*fmt != '%') {
@@ -188,7 +188,7 @@  int vsprintf(char *buf, const char *fmt, va_list args)
 
 		/* get the conversion qualifier */
 		qualifier = -1;
-		if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
+		if (*fmt == 'h' || *fmt == 'l') {
 			qualifier = *fmt;
 			++fmt;
 		}
@@ -229,16 +229,6 @@  int vsprintf(char *buf, const char *fmt, va_list args)
 				     field_width, precision, flags);
 			continue;
 
-		case 'n':
-			if (qualifier == 'l') {
-				long *ip = va_arg(args, long *);
-				*ip = (str - buf);
-			} else {
-				int *ip = va_arg(args, int *);
-				*ip = (str - buf);
-			}
-			continue;
-
 		case '%':
 			*str++ = '%';
 			continue;