RE: [PATCH v2 next] ACPI: APEI: EINJ: prevent memory corruption in error_type_set()

["Luck, Tony" <tony.luck@xxxxxxxxx>]

> > +	if (count > sizeof(einj_buf))

Why not:
	/* Leave the last character for the NUL terminator */
	if (count > sizeof(einj_buf) - 1)
		return -EINVAL;

here. Then skip the min(...) addition below.

-Tony