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| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2019-08-23 08:07:21 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-08-26 06:30:14 -0300 |
| commit | 8f4b5b0af7e451a4c6698ad3441dde8d1286c80d (patch) | |
| tree | 8b7b8ad8fc1066d13036284e5be111ba4d330464 | |
| parent | 577bbf23b758848f0c4a50d346460b690c753024 (diff) | |
| download | linux-0-day-8f4b5b0af7e451a4c6698ad3441dde8d1286c80d.tar.gz linux-0-day-8f4b5b0af7e451a4c6698ad3441dde8d1286c80d.tar.xz | |
media: cec-adap: return from cec_s_conn_info() if adap is invalid
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>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
| -rw-r--r-- | drivers/media/cec/cec-adap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index 451c61bde4d42..5ef7daeb8cbd7 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; |