3.2.71-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
commit 12f4543f5d6811f864e6c4952eb27253c7466c02 upstream.
The maximum size for a DiSEqC command is 6, according to the
userspace API. However, the code allows to write up to 7 values:
drivers/media/dvb-frontends/s5h1420.c:193 s5h1420_send_master_cmd() error: buffer overflow 'cmd->msg' 6 <= 7
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
drivers/media/dvb/frontends/s5h1420.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/media/dvb/frontends/s5h1420.c
+++ b/drivers/media/dvb/frontends/s5h1420.c
@@ -180,7 +180,7 @@ static int s5h1420_send_master_cmd (stru
int result = 0;
dprintk("enter %s\n", __func__);
- if (cmd->msg_len > 8)
+ if (cmd->msg_len > sizeof(cmd->msg))
return -EINVAL;
/* setup for DISEQC */
--
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