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| author |  Hans Verkuil <hverkuil-cisco@xs4all.nl>
| 2024-02-22 16:17:33 +0000 |
|---|---|---|
| committer |  Mauro Carvalho Chehab <mchehab@kernel.org>
| 2024-05-02 18:59:59 +0100 |
| commit | 47c82aac10a6954d68f29f10d9758d016e8e5af1 (patch) | |
| tree | c9fd84094894316e2694787f18641c2f69a680df /include/media | |
| parent | media: cec: cec-api: add locking in cec_release() (diff) | |
| download | linux-47c82aac10a6954d68f29f10d9758d016e8e5af1.tar.gz linux-47c82aac10a6954d68f29f10d9758d016e8e5af1.tar.bz2 linux-47c82aac10a6954d68f29f10d9758d016e8e5af1.zip | |
media: cec: core: avoid recursive cec_claim_log_addrs
Keep track if cec_claim_log_addrs() is running, and return -EBUSY
if it is when calling CEC_ADAP_S_LOG_ADDRS.
This prevents a case where cec_claim_log_addrs() could be called
while it was still in progress.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reported-by: Yang, Chenyuan <cy54@illinois.edu>
Closes: https://lore.kernel.org/linux-media/PH7PR11MB57688E64ADE4FE82E658D86DA09EA@PH7PR11MB5768.namprd11.prod.outlook.com/
Fixes: ca684386e6e2 ("[media] cec: add HDMI CEC framework (api)")
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/cec.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/media/cec.h b/include/media/cec.h index c8350258f10a..d3abe84c9c9e 100644 --- a/include/media/cec.h +++ b/include/media/cec.h @@ -258,6 +258,7 @@ struct cec_adapter { u16 phys_addr; bool needs_hpd; bool is_enabled; + bool is_claiming_log_addrs; bool is_configuring; bool must_reconfigure; bool is_configured; |