From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Tue, 25 Jul 2023 06:50:40 +0000 (+0300)
Subject: addrmap: Fix off by one in addrmap_set_entry()
X-Git-Url: http://git.dujemihanovic.xyz/img/static/gitweb.css?a=commitdiff_plain;h=7dd06b1621579262e5be46d78ba1d63c8afe8040;p=u-boot.git

addrmap: Fix off by one in addrmap_set_entry()

The > comparison needs to be changed to >= to prevent an out of bounds
write on th next line.

Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/lib/addr_map.c b/lib/addr_map.c
index 9b3e0a544e..86e932e4b5 100644
--- a/lib/addr_map.c
+++ b/lib/addr_map.c
@@ -59,7 +59,7 @@ void *addrmap_phys_to_virt(phys_addr_t paddr)
 void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr,
 			phys_size_t size, int idx)
 {
-	if (idx > CONFIG_SYS_NUM_ADDR_MAP)
+	if (idx >= CONFIG_SYS_NUM_ADDR_MAP)
 		return;
 
 	address_map[idx].vaddr = vaddr;