tokenring: Read buffer overflow

io[i] is read before the bounds check on i, order should be reversed

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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c
index 9d896116cf7..08a6c41c159 100644
--- a/drivers/net/tokenring/ibmtr.c
+++ b/drivers/net/tokenring/ibmtr.c
@@ -1912,7 +1912,7 @@ static int __init ibmtr_init(void)
 
         find_turbo_adapters(io);
 
-        for (i = 0; io[i] && (i < IBMTR_MAX_ADAPTERS); i++) {
+        for (i = 0; i < IBMTR_MAX_ADAPTERS && io[i]; i++) {
                 struct net_device *dev;
                 irq[i] = 0;
                 mem[i] = 0;