media: cec-funcs.h: cec_ops_report_features: set *dev_features to NULL

gcc can get confused by this code and it thinks dev_features can be
returned uninitialized. So initialize to NULL at the beginning to shut up
the warning.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/include/uapi/linux/cec-funcs.h b/include/uapi/linux/cec-funcs.h
index c451eec42a83101a6eea0219788165600d128e49..270b251a3d9b5edf4f74fbc518a7e10756899116 100644 (file)
--- a/include/uapi/linux/cec-funcs.h
+++ b/include/uapi/linux/cec-funcs.h
@@ -895,6 +895,7 @@ static inline void cec_ops_report_features(const struct cec_msg *msg,
        *cec_version = msg->msg[2];
        *all_device_types = msg->msg[3];
        *rc_profile = p;
+       *dev_features = NULL;
        while (p < &msg->msg[14] && (*p & CEC_OP_FEAT_EXT))
                p++;
        if (!(*p & CEC_OP_FEAT_EXT)) {