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* [PATCH] X:beyond ARRAY_SIZE of iwb->data
@ 2009-05-21 20:05 Roel Kluin
  0 siblings, 0 replies; only message in thread
From: Roel Kluin @ 2009-05-21 20:05 UTC (permalink / raw)
  To: hjlipp; +Cc: gigaset307x-common, netdev

Do not go beyond ARRAY_SIZE of iwb->data

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index fbce522..5569a6e 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -177,7 +177,7 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
 		return -EINVAL;
 	}
 	src = iwb->read;
-	if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
+	if (unlikely(limit >= BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
 		     (read < src && limit >= src))) {
 		err("isoc write buffer frame reservation violated");
 		return -EFAULT;


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2009-05-21 20:05 [PATCH] X:beyond ARRAY_SIZE of iwb->data Roel Kluin

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