V4L/DVB (9183): S2API: Return error of the caller provides 0 commands.
S2API: Return error of the caller provides 0 commands.
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index bd59c95..f170e82 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1344,7 +1344,7 @@
/* Put an arbitrary limit on the number of messages that can
* be sent at once */
- if (tvps->num > DTV_IOCTL_MAX_MSGS)
+ if ((tvps->num == 0) || (tvps->num > DTV_IOCTL_MAX_MSGS))
return -EINVAL;
tvp = (struct dtv_property *) kmalloc(tvps->num *
@@ -1379,7 +1379,7 @@
/* Put an arbitrary limit on the number of messages that can
* be sent at once */
- if (tvps->num > DTV_IOCTL_MAX_MSGS)
+ if ((tvps->num == 0) || (tvps->num > DTV_IOCTL_MAX_MSGS))
return -EINVAL;
tvp = (struct dtv_property *) kmalloc(tvps->num *