The quilt patch titled
Subject: fsdax-dax_unshare_iter-should-return-a-valid-length-fix
has been removed from the -mm tree. Its filename was
fsdax-dax_unshare_iter-should-return-a-valid-length-fix.patch
This patch was dropped because it was folded into fsdax-dax_unshare_iter-should-return-a-valid-length.patch
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: fsdax-dax_unshare_iter-should-return-a-valid-length-fix
Date: Thu Feb 2 04:15:00 PM PST 2023
don't mess up `ret', per Matthew
Cc: Alistair Popple <apopple@xxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Darrick J. Wong <djwong@xxxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Jason Gunthorpe <jgg@xxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/fs/dax.c~fsdax-dax_unshare_iter-should-return-a-valid-length-fix
+++ a/fs/dax.c
@@ -1271,10 +1271,10 @@ static s64 dax_unshare_iter(struct iomap
if (ret < 0)
goto out_unlock;
- ret = copy_mc_to_kernel(daddr, saddr, length);
- if (ret)
+ if (copy_mc_to_kernel(daddr, saddr, length) == 0)
+ ret = length;
+ else
ret = -EIO;
- ret = length;
out_unlock:
dax_read_unlock(id);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
fsdax-dax_unshare_iter-should-return-a-valid-length.patch
revert-squashfs-harden-sanity-check-in-squashfs_read_xattr_id_table.patch
mm-shrinkers-fix-deadlock-in-shrinker-debugfs-fix.patch
mm-replace-vma-vm_flags-direct-modifications-with-modifier-calls-fix.patch
kasan-infer-allocation-size-by-scanning-metadata-fix.patch
lib-stackdepot-mm-rename-stack_depot_want_early_init-fix.patch
lib-stackdepot-annotate-racy-slab_index-accesses-fix.patch
