[PATCH] bootm: Fix upper bound of FDT overlap checks

[Pali Rohár]

FTD blob can be put immediately after the OS image.
So use strict inequality for start address check.

Fixes: fbde7589ce30 ("common: bootm: add checks to verify if ramdisk / fdtimage overlaps OS image")
Signed-off-by: Pali Rohár <pali at kernel.org>
---
 boot/bootm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/boot/bootm.c b/boot/bootm.c
index 86dbfbcfed5b..e4493f3ed5f1 100644
--- a/boot/bootm.c
+++ b/boot/bootm.c
@@ -305,9 +305,9 @@ int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
 	/* check if FDT overlaps OS image */
 	if (images.ft_addr &&
 	    (((ulong)images.ft_addr >= start &&
-	      (ulong)images.ft_addr <= start + size) ||
+	      (ulong)images.ft_addr < start + size) ||
 	     ((ulong)images.ft_addr + images.ft_len >= start &&
-	      (ulong)images.ft_addr + images.ft_len <= start + size))) {
+	      (ulong)images.ft_addr + images.ft_len < start + size))) {
 		printf("ERROR: FDT image overlaps OS image (OS=0x%lx..0x%lx)\n",
 		       start, start + size);
 		return 1;
-- 
2.20.1