Commit 77e48db0 authored May 18, 2020 by Arvind Sankar Committed by Ard Biesheuvel May 19, 2020

efi/printf: Fix minor bug in precision handling



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@alum.mit.edu>
Link: https://lore.kernel.org/r/20200518190716.751506-10-nivedita@alum.mit.edu


Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

parent 3b835095

drivers/firmware/efi/libstub/vsprintf.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -279,10 +279,12 @@ 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 */
		qualifier = -1;

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