[dpdk-dev] [PATCH 2/6] net/bnxt: fix to check for NULL completion ring doorbell in int_handler
Ajit Khaparde
ajit.khaparde at broadcom.com
Sat Jun 8 21:22:04 CEST 2019
From: Somnath Kotur <somnath.kotur at broadcom.com>
It is observed that sometimes during init, the bnxt_int_handler() gets
invoked while the cpr->cp_db.doorbell is not yet initialized. Check for
the same and return.
Signed-off-by: Somnath Kotur <somnath.kotur at broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
drivers/net/bnxt/bnxt_irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/bnxt/bnxt_irq.c b/drivers/net/bnxt/bnxt_irq.c
index 918f3dcf4..e1b9a2b04 100644
--- a/drivers/net/bnxt/bnxt_irq.c
+++ b/drivers/net/bnxt/bnxt_irq.c
@@ -31,7 +31,7 @@ static void bnxt_int_handler(void *param)
raw_cons = cpr->cp_raw_cons;
while (1) {
- if (!cpr || !cpr->cp_ring_struct)
+ if (!cpr || !cpr->cp_ring_struct || !cpr->cp_db.cp_doorbell)
return;
cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
--
2.20.1 (Apple Git-117)
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