eexpress: Read buffer overflow

start_code is 69 words, but the code always writes a multiple of 16 words,
so the last 11 words written are outside the array.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c
index 1686dca28748..1f016d66684a 100644
--- a/drivers/net/eexpress.c
+++ b/drivers/net/eexpress.c
@@ -1474,13 +1474,13 @@ static void eexp_hw_init586(struct net_device *dev)
         outw(0x0000, ioaddr + 0x800c);
         outw(0x0000, ioaddr + 0x800e);
 
-        for (i = 0; i < (sizeof(start_code)); i+=32) {
+        for (i = 0; i < ARRAY_SIZE(start_code) * 2; i+=32) {
                 int j;
                 outw(i, ioaddr + SM_PTR);
-                for (j = 0; j < 16; j+=2)
+                for (j = 0; j < 16 && (i+j)/2 < ARRAY_SIZE(start_code); j+=2)
                         outw(start_code[(i+j)/2],
                              ioaddr+0x4000+j);
-                for (j = 0; j < 16; j+=2)
+                for (j = 0; j < 16 && (i+j+16)/2 < ARRAY_SIZE(start_code); j+=2)
                         outw(start_code[(i+j+16)/2],
                              ioaddr+0x8000+j);
         }