From 29a2806653360f1ba0f7608ef64d65d441a575f7 Mon Sep 17 00:00:00 2001 From: Arvind Sankar Date: Mon, 18 May 2020 15:06:58 -0400 Subject: [PATCH] efi/printf: Drop %n format and L qualifier %n is unused and deprecated. The L qualifer is parsed but not actually implemented. Signed-off-by: Arvind Sankar Link: https://lore.kernel.org/r/20200518190716.751506-7-nivedita@alum.mit.edu Signed-off-by: Ard Biesheuvel --- drivers/firmware/efi/libstub/vsprintf.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/drivers/firmware/efi/libstub/vsprintf.c b/drivers/firmware/efi/libstub/vsprintf.c index bb62d3726c65..52cf22d0b6e5 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; -- 2.20.1