lkml.org 
[lkml]   [2018]   [Jan]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 4/4] afs: Fix missing error handling in afs_write_end()
Date
afs_write_end() is missing page unlock and put if afs_fill_page() fails.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
---

fs/afs/write.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/afs/write.c b/fs/afs/write.c
index cb5f8a3df577..9370e2feb999 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -198,7 +198,7 @@ int afs_write_end(struct file *file, struct address_space *mapping,
ret = afs_fill_page(vnode, key, pos + copied,
len - copied, page);
if (ret < 0)
- return ret;
+ goto out;
}
SetPageUptodate(page);
}
@@ -206,10 +206,12 @@ int afs_write_end(struct file *file, struct address_space *mapping,
set_page_dirty(page);
if (PageDirty(page))
_debug("dirtied");
+ ret = copied;
+
+out:
unlock_page(page);
put_page(page);
-
- return copied;
+ return ret;
}

/*
\
 
 \ /
  Last update: 2018-01-02 11:45    [W:0.035 / U:2.736 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site