linux-kernel - [PATCH 2/2] drivers/dax: Changing RC value

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Message-Id: <1491888405-7772-2-git-send-email-pushkar.iit@gmail.com>
Date:   Tue, 11 Apr 2017 10:56:45 +0530
From:   Pushkar Jambhlekar <pushkar.iit@...il.com>
To:     Dan Williams <dan.j.williams@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org,
        Pushkar Jambhlekar <pushkar.iit@...il.com>
Subject: [PATCH 2/2] drivers/dax: Changing RC value

Changing rc value from VM_FAULT_FALLBACK to VM_FAULT_SIGBUS for an unknown / unsupported fault size.

Signed-off-by: Pushkar Jambhlekar <pushkar.iit@...il.com>
---
 drivers/dax/dax.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c
index fd9c4db..6156fdc 100644
--- a/drivers/dax/dax.c
+++ b/drivers/dax/dax.c
@@ -590,7 +590,7 @@ static int dax_dev_huge_fault(struct vm_fault *vmf,
 		rc = __dax_dev_pud_fault(dax_dev, vmf);
 		break;
 	default:
-		rc = VM_FAULT_FALLBACK;
+		rc = VM_FAULT_SIGBUS;
 	}
 	rcu_read_unlock();
 
-- 
2.7.4