A negative precision should be ignored completely, and the presence of a valid precision should turn off the 0 flag. Signed-off-by: Arvind Sankar <nivedita@xxxxxxxxxxxx> --- drivers/firmware/efi/libstub/vsprintf.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/efi/libstub/vsprintf.c b/drivers/firmware/efi/libstub/vsprintf.c index b3ed4af77af5..d7938e44f067 100644 --- a/drivers/firmware/efi/libstub/vsprintf.c +++ b/drivers/firmware/efi/libstub/vsprintf.c @@ -278,9 +278,10 @@ int vsprintf(char *buf, const char *fmt, va_list args) ++fmt; /* it's the next argument */ precision = va_arg(args, int); - } - if (precision < 0) + } else precision = 0; + if (precision >= 0) + flags &= ~ZEROPAD; } /* get the conversion qualifier */ -- 2.26.2
