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Commit e7fd80cb authored by Dmitry Kalinkin's avatar Dmitry Kalinkin Committed by Greg Kroah-Hartman
Browse files

vme: check for A64 overflow in vme_check_window() 



Signed-off-by: default avatarDmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 615c40dd

drivers/vme/vme.c

+2 −4
Original line number Diff line number Diff line
@@ -199,10 +199,8 @@ static int vme_check_window(u32 aspace, unsigned long long vme_base, 
			retval = -EFAULT;

		break;

	case VME_A64:

		/*

		 * Any value held in an unsigned long long can be used as the

		 * base

		 */

		if ((size != 0) && (vme_base > U64_MAX + 1 - size))

			retval = -EFAULT;

		break;

	case VME_CRCSR:

		if (((vme_base + size) > VME_CRCSR_MAX) ||