Re: [PATCH v4 45/47] net/wan/fsl_ucc_hdlc: reject muram offsets above 64K
From: Timur Tabi <timur@kernel.org>
Date: 2019-11-15 04:42:36
Also in:
linux-arm-kernel, lkml, netdev
On Fri, Nov 8, 2019 at 7:04 AM Rasmus Villemoes [off-list ref] wrote:
quoted hunk ↗ jump to hunk
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 8d13586bb774..f029eaa7cfc0 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c@@ -245,6 +245,11 @@ static int uhdlc_init(struct ucc_hdlc_private *priv) ret = -ENOMEM; goto free_riptr; } + if (riptr != (u16)riptr || tiptr != (u16)tiptr) {
"riptr/tiptr > U16_MAX" is clearer.