From: David Howells dhowells@redhat.com
[ Upstream commit afae457d874860a7e299d334f59eede5f3ad4b47 ]
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 Signed-off-by: Sasha Levin alexander.levin@microsoft.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 106e43db1115..926d4d68f791 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -282,7 +282,7 @@ 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); } @@ -290,10 +290,12 @@ 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; }
/*