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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>
This commit is contained in:
Hans Verkuil 2019-08-23 08:07:21 -03:00 committed by Mauro Carvalho Chehab
parent 577bbf23b7
commit 8f4b5b0af7
1 changed files with 3 additions and 0 deletions
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3
drivers/media/cec/cec-adap.c
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@ -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;