diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-08-10 13:02:26 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-10 13:02:26 +0300 |
| commit | 1ccb2f4e8e435a53bb378e8b092087f091754aa6 (patch) | |
| tree | ba120509947138915e06ad39cca5f065bd99f42f /drivers/media/cec/cec-notifier.c | |
| parent | c3a3800fe46f00ceeeb181cc07cc4fdaed4574f1 (diff) | |
| parent | 9b231d9f47c6114d317ce28cff92a74ad80547f5 (diff) | |
| download | linux-1ccb2f4e8e435a53bb378e8b092087f091754aa6.tar.xz | |
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/media/cec/cec-notifier.c')
| -rw-r--r-- | drivers/media/cec/cec-notifier.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/cec/cec-notifier.c b/drivers/media/cec/cec-notifier.c index 74dc1c32080e..08b619d0ea1e 100644 --- a/drivers/media/cec/cec-notifier.c +++ b/drivers/media/cec/cec-notifier.c @@ -87,6 +87,9 @@ EXPORT_SYMBOL_GPL(cec_notifier_put); void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa) { + if (n == NULL) + return; + mutex_lock(&n->lock); n->phys_addr = pa; if (n->callback) @@ -100,6 +103,9 @@ void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n, { u16 pa = CEC_PHYS_ADDR_INVALID; + if (n == NULL) + return; + if (edid && edid->extensions) pa = cec_get_edid_phys_addr((const u8 *)edid, EDID_LENGTH * (edid->extensions + 1), NULL); |