From b196350f2afed30a80b2007dadff251292abe8ed Mon Sep 17 00:00:00 2001
From: Paul Lawrence <paullawrence@google.com>
Date: Mon, 11 Apr 2022 12:33:39 -0700
Subject: [PATCH] ANDROID: fuse-bpf: Fix lseek return value for offset 0

Bug: 227160050
Test: audible app now works
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Ib14765285190b5838f28c25a69c91935d02c34f4
---
 fs/fuse/backing.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/fuse/backing.c b/fs/fuse/backing.c
index 118bd9d12945..dc11545dcd48 100644
--- a/fs/fuse/backing.c
+++ b/fs/fuse/backing.c
@@ -465,11 +465,15 @@ int fuse_lseek_backing(struct fuse_args *fa, struct file *file, loff_t offset, i
 
 	/* TODO: Handle changing of the file handle */
 	if (offset == 0) {
-		if (whence == SEEK_CUR)
-			return file->f_pos;
+		if (whence == SEEK_CUR) {
+			flo->offset = file->f_pos;
+			return flo->offset;
+		}
 
-		if (whence == SEEK_SET)
-			return vfs_setpos(file, 0, 0);
+		if (whence == SEEK_SET) {
+			flo->offset = vfs_setpos(file, 0, 0);
+			return flo->offset;
+		}
 	}
 
 	inode_lock(file->f_inode);