diff mbox series

[for,v5.3] cec-adap: return from cec_s_conn_info() if adap is invalid

Message ID 8dc2a979-ed12-6486-491d-35d216b3450b@xs4all.nl (mailing list archive)
State New, archived
Headers show
Series [for,v5.3] cec-adap: return from cec_s_conn_info() if adap is invalid | expand

Commit Message

Hans Verkuil Aug. 23, 2019, 11:07 a.m. UTC
Check if cec_s_conn_info is called with a valid cec adapter,
do nothing if it is invalid.

This makes it possible to call this function even if CEC support is
disabled in the kernel config.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
 drivers/media/cec/cec-adap.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index 451c61bde4d4..5ef7daeb8cbd 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -1614,6 +1614,9 @@  EXPORT_SYMBOL_GPL(cec_s_phys_addr_from_edid);
 void cec_s_conn_info(struct cec_adapter *adap,
 		     const struct cec_connector_info *conn_info)
 {
+	if (IS_ERR_OR_NULL(adap))
+		return;
+
 	if (!(adap->capabilities & CEC_CAP_CONNECTOR_INFO))
 		return;