linux-kernel - [PATCH] android: binder: Change return type to vm_fault

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Message-ID: <20180416151121.GA26791@jordon-HP-15-Notebook-PC>
Date:   Mon, 16 Apr 2018 20:41:21 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     gregkh@...uxfoundation.org, arve@...roid.com, tkjos@...roid.com,
        maco@...roid.com
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        willy@...radead.org
Subject: [PATCH] android: binder: Change return type to vm_fault_t

Use new return type vm_fault_t for fault handler
in struct vm_operations_struct. For now, this is
just documenting that the function returns a 
VM_FAULT value rather than an errno.  Once all
instances are converted, vm_fault_t will become
a distinct type.

Reference commit id->
1c8f422059ae5da07db7406ab916203f9417e396

Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
---
 drivers/android/binder.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 15e3d3c..65be4ec 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -4671,7 +4671,7 @@ static void binder_vma_close(struct vm_area_struct *vma)
 	binder_defer_work(proc, BINDER_DEFERRED_PUT_FILES);
 }

-static int binder_vm_fault(struct vm_fault *vmf)
+static vm_fault_t binder_vm_fault(struct vm_fault *vmf)
 {
 	return VM_FAULT_SIGBUS;
 }
--
1.9.1