The function bnxt_vnic_rss_configure_thor() returns early when
all receive queues are stopped without releasing the hwrm
spinlock, which causes subsequent HWRM operations to hang. Fix
by ensuring that the lock is released before returning from
this function.
Fixes: 38412304b50a ("net/bnxt: enable RSS for thor-based controllers")
Cc: [email protected]
Signed-off-by: Lance Richardson <[email protected]>
Reviewed-by: Ajit Kumar Khaparde <[email protected]>
Signed-off-by: Ajit Khaparde <[email protected]>
---
drivers/net/bnxt/bnxt_hwrm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index ab6cb1dc3..bb4dcf4b2 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -4337,8 +4337,10 @@ bnxt_vnic_rss_configure_thor(struct bnxt *bp, struct
bnxt_vnic_info *vnic)
}
/* Return if no rings are active. */
- if (cnt == max_rings)
+ if (cnt == max_rings) {
+ HWRM_UNLOCK();
return 0;
+ }
/* Add rx/cp ring pair to RSS table. */
rxr = rxqs[k]->rx_ring;
--
2.17.1