The patch titled
Subject: fs/affs: fix return value check in affs_get_parent()
has been added to the -mm tree. Its filename is
fs-affs-make-export-work-with-cold-dcache-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-affs-make-export-work-with-cold-dcache-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-affs-make-export-work-with-cold-dcache-fix.patch
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------------------------------------------------------
From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Subject: fs/affs: fix return value check in affs_get_parent()
In case of error, the function affs_bread() returns NULL pointer not
ERR_PTR(). The IS_ERR() test in the return value check should be replaced
with NULL test.
Fixes: e393e82a7d09 ("fs/affs: make export work with cold dcache")
Link: http://lkml.kernel.org/r/20170123141018.2331-1-weiyj.lk@xxxxxxxxx
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Cc: Fabian Frederick <fabf@xxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/affs/namei.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN fs/affs/namei.c~fs-affs-make-export-work-with-cold-dcache-fix fs/affs/namei.c
--- a/fs/affs/namei.c~fs-affs-make-export-work-with-cold-dcache-fix
+++ a/fs/affs/namei.c
@@ -453,8 +453,8 @@ static struct dentry *affs_get_parent(st
struct buffer_head *bh;
bh = affs_bread(child->d_sb, d_inode(child)->i_ino);
- if (IS_ERR(bh))
- return ERR_CAST(bh);
+ if (!bh)
+ return ERR_PTR(-EIO);
parent = affs_iget(child->d_sb,
be32_to_cpu(AFFS_TAIL(child->d_sb, bh)->parent));
_
Patches currently in -mm which might be from weiyongjun1@xxxxxxxxxx are
fs-affs-make-export-work-with-cold-dcache-fix.patch
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