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From: Julian Wiedmann <jwi@linux.ibm.com>
To: David Miller <davem@davemloft.net>
Cc: <netdev@vger.kernel.org>, <linux-s390@vger.kernel.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Stefan Raspl <raspl@linux.ibm.com>,
	Ursula Braun <ubraun@linux.ibm.com>,
	Julian Wiedmann <jwi@linux.ibm.com>
Subject: [PATCH net 2/2] s390/qeth: return proper errno on IO error
Date: Wed, 20 Nov 2019 14:20:57 +0100	[thread overview]
Message-ID: <20191120132057.1788-3-jwi@linux.ibm.com> (raw)
In-Reply-To: <20191120132057.1788-1-jwi@linux.ibm.com>

When propagating IO errors back to userspace, one error path in
qeth_irq() currently returns '1' instead of a proper errno.

Fixes: 54daaca7024d ("s390/qeth: cancel cmd on early error")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
---
 drivers/s390/net/qeth_core_main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index dda274351c21..83794d7494d4 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -901,30 +901,30 @@ static int qeth_get_problem(struct qeth_card *card, struct ccw_device *cdev,
 				 CCW_DEVID(cdev), dstat, cstat);
 		print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET,
 				16, 1, irb, 64, 1);
-		return 1;
+		return -EIO;
 	}
 
 	if (dstat & DEV_STAT_UNIT_CHECK) {
 		if (sense[SENSE_RESETTING_EVENT_BYTE] &
 		    SENSE_RESETTING_EVENT_FLAG) {
 			QETH_CARD_TEXT(card, 2, "REVIND");
-			return 1;
+			return -EIO;
 		}
 		if (sense[SENSE_COMMAND_REJECT_BYTE] &
 		    SENSE_COMMAND_REJECT_FLAG) {
 			QETH_CARD_TEXT(card, 2, "CMDREJi");
-			return 1;
+			return -EIO;
 		}
 		if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
 			QETH_CARD_TEXT(card, 2, "AFFE");
-			return 1;
+			return -EIO;
 		}
 		if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
 			QETH_CARD_TEXT(card, 2, "ZEROSEN");
 			return 0;
 		}
 		QETH_CARD_TEXT(card, 2, "DGENCHK");
-			return 1;
+			return -EIO;
 	}
 	return 0;
 }
-- 
2.17.1


  parent reply	other threads:[~2019-11-20 13:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-20 13:20 [PATCH net 0/2] s390/qeth: fixes 2019-11-20 Julian Wiedmann
2019-11-20 13:20 ` [PATCH net 1/2] s390/qeth: fix potential deadlock on workqueue flush Julian Wiedmann
2019-11-20 13:20 ` Julian Wiedmann [this message]
2019-11-20 20:30 ` [PATCH net 0/2] s390/qeth: fixes 2019-11-20 David Miller

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