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authorHans Verkuil2024-02-22 16:17:33 +0000
committerMauro Carvalho Chehab2024-05-02 18:59:59 +0100
commit47c82aac10a6954d68f29f10d9758d016e8e5af1 (patch)
treec9fd84094894316e2694787f18641c2f69a680df /include/media
parent42bcaacae924bf18ae387c3f78c202df0b739292 (diff)
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.h1
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;