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authorDarron Broad <darron@kewl.org>2008-10-03 11:50:00 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-13 12:25:10 -0200
commit4aae8efb4908fa3f80dc1177d093443bc09adf5f (patch)
tree74af0e3af0db32f1da7ecd784607a63883f0c641
parent01a8f038c07c4119029c63f1ed1c6ac986665d48 (diff)
V4L/DVB (9171): S2API: Stop an OOPS if illegal commands are dumped in S2API.
Quick fix to stop an OOPS if illegal commands are dumped in S2API. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 4c3f0d7e355..f44b64b8e61 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -848,6 +848,13 @@ void dtv_property_dump(struct dtv_property *tvp)
{
int i;
+ if( (tvp->cmd <= 0 || tvp->cmd > DTV_DELIVERY_SYSTEM) &&
+ tvp->cmd != DTV_API_VERSION) {
+ printk("%s: tvp.cmd = 0x%08x (undefined/unknown/invalid)\n",
+ __func__, tvp->cmd);
+ return;
+ }
+
printk("%s() tvp.cmd = 0x%08x (%s)\n"
,__FUNCTION__
,tvp->cmd