[PATCH] liquidio CN23XX: check if PENDING bit is clear using logical and

Subsystems: cavium liquidio network driver, networking drivers, the rest

STALE3550d

2 messages, 2 authors, 2016-11-18 · open the first message on its own page

[PATCH] liquidio CN23XX: check if PENDING bit is clear using logical and

From: Colin King <hidden>
Date: 2016-11-18 18:45:48

From: Colin Ian King <redacted>

the mbox state should be bitwise anded rather than logically anded
with OCTEON_MBOX_STATE_RESPONSE_PENDING. Fix this by using the
correct & operator instead of &&.

Signed-off-by: Colin Ian King <redacted>
---
 drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
index 5309384..73696b42 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
@@ -301,7 +301,7 @@ int octeon_mbox_process_message(struct octeon_mbox *mbox)
 		       sizeof(struct octeon_mbox_cmd));
 		if (!mbox_cmd.msg.s.resp_needed) {
 			mbox->state &= ~OCTEON_MBOX_STATE_REQUEST_RECEIVED;
-			if (!(mbox->state &&
+			if (!(mbox->state &
 			      OCTEON_MBOX_STATE_RESPONSE_PENDING))
 				mbox->state = OCTEON_MBOX_STATE_IDLE;
 			writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
-- 
2.10.2

Re: [PATCH] liquidio CN23XX: check if PENDING bit is clear using logical and

From: David Miller <davem@davemloft.net>
Date: 2016-11-18 19:04:21

From: Colin King <redacted>
Date: Fri, 18 Nov 2016 18:45:32 +0000
From: Colin Ian King <redacted>

the mbox state should be bitwise anded rather than logically anded
with OCTEON_MBOX_STATE_RESPONSE_PENDING. Fix this by using the
correct & operator instead of &&.

Signed-off-by: Colin Ian King <redacted>
Dan Carpenter already submitted a fix for this.
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