[PATCH 2/2] cosa.c : Array index 'i' is used before limits check.

[Ameen Ali]

avoid out-of-bounds-read by checking count before indexing.

Signed-off-by: Ameen Ali <Ameenali023@xxxxxxxxx>
---
 drivers/net/wan/cosa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 83c39e2..5252e21 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -376,7 +376,7 @@ static int __init cosa_init(void)
 	}
 	for (i=0; i<MAX_CARDS; i++)
 		cosa_cards[i].num = -1;
-	for (i=0; io[i] != 0 && i < MAX_CARDS; i++)
+	for (i=0; (i < MAX_CARDS) && (io[i] != 0) ; i++)
 		cosa_probe(io[i], irq[i], dma[i]);
 	if (!nr_cards) {
 		pr_warn("no devices found\n");
-- 
2.1.0

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