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-rw-r--r--linux/drivers/media/dvb/dvb-core/dvb_frontend.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c
index 6f0dc252f..3e9cbac17 100644
--- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -918,6 +918,13 @@ 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