diff options
| author | Stefan Wahren <[email protected]> | 2017-05-26 00:26:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2017-05-29 17:04:13 +0200 |
| commit | 6f2370d260c4dc6eba1de2b4f55786f99abf937c (patch) | |
| tree | 582be704810c6691d7e391b301a0b255a8a4eec9 | |
| parent | 5d1a94bb284c8d97b056e8025169609e78b7052f (diff) | |
staging: vchiq_core: Don't BUG if process is unexpected
Bail out properly if the process index doesn't match the remote insert.
We also drop the BUG in case the process index is at local insert,
so we can trigger the WARN_ON again some steps later.
Signed-off-by: Stefan Wahren <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 9cdc98570a22..b0119b80b776 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -1963,9 +1963,14 @@ parse_rx_slots(VCHIQ_STATE_T *state) mutex_unlock(&service->bulk_mutex); break; } - - BUG_ON(queue->process == queue->local_insert); - BUG_ON(queue->process != queue->remote_insert); + if (queue->process != queue->remote_insert) { + pr_err("%s: p %x != ri %x\n", + __func__, + queue->process, + queue->remote_insert); + mutex_unlock(&service->bulk_mutex); + goto bail_not_ready; + } bulk = &queue->bulks[ BULK_INDEX(queue->remote_insert)]; |