diff options
| author | Haiyang Zhang <haiyangz@microsoft.com> | 2021-08-24 09:46:01 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-08-25 11:06:54 +0100 |
| commit | c1a3e9f98dde4782290d2c4871e42b7e76ad5593 (patch) | |
| tree | 813314a6d6a41b496b8df6dffe437fbd91ee189f /drivers/net/ethernet/microsoft | |
| parent | 1e2d0824a9c3de5371a46601aac0c14af5c0a50a (diff) | |
| download | linux-c1a3e9f98dde4782290d2c4871e42b7e76ad5593.tar.gz linux-c1a3e9f98dde4782290d2c4871e42b7e76ad5593.tar.bz2 linux-c1a3e9f98dde4782290d2c4871e42b7e76ad5593.zip | |
net: mana: Add WARN_ON_ONCE in case of CQE read overflow
This is not an expected case normally.
Add WARN_ON_ONCE in case of CQE read overflow, instead of failing
silently.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/microsoft')
| -rw-r--r-- | drivers/net/ethernet/microsoft/mana/gdma_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c index 798099d64202..cee75b561f59 100644 --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c @@ -1093,7 +1093,7 @@ static int mana_gd_read_cqe(struct gdma_queue *cq, struct gdma_comp *comp) new_bits = (cq->head / num_cqe) & GDMA_CQE_OWNER_MASK; /* Return -1 if overflow detected. */ - if (owner_bits != new_bits) + if (WARN_ON_ONCE(owner_bits != new_bits)) return -1; comp->wq_num = cqe->cqe_info.wq_num; |