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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-28 08:34:10 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-28 08:34:10 +0100 |
| commit | 0edbf9e55295585bbe9df61b646ca5bf80a8e1eb (patch) | |
| tree | d9b6869ff7a245343a9b030511d4bfd18b00f192 /fs/fuse/file.c | |
| parent | eacae5d2b940b39e7234036bf62869aff5ffe055 (diff) | |
| parent | e5517c2a5a49ed5e99047008629f1cd60246ea0e (diff) | |
| download | op-kernel-dev-0edbf9e55295585bbe9df61b646ca5bf80a8e1eb.zip op-kernel-dev-0edbf9e55295585bbe9df61b646ca5bf80a8e1eb.tar.gz | |
Merge 4.9-rc7 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index abc66a6..2401c5d 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1985,6 +1985,10 @@ static int fuse_write_end(struct file *file, struct address_space *mapping, { struct inode *inode = page->mapping->host; + /* Haven't copied anything? Skip zeroing, size extending, dirtying. */ + if (!copied) + goto unlock; + if (!PageUptodate(page)) { /* Zero any unwritten bytes at the end of the page */ size_t endoff = (pos + copied) & ~PAGE_MASK; @@ -1995,6 +1999,8 @@ static int fuse_write_end(struct file *file, struct address_space *mapping, fuse_write_update_size(inode, pos + copied); set_page_dirty(page); + +unlock: unlock_page(page); put_page(page); |
