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afs: Fix missing error handling in afs_write_end() 

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>
This commit is contained in:
David Howells 2018-01-02 10:02:19 +00:00
parent 440fbc3a8a
commit afae457d87
1 changed files with 5 additions and 3 deletions
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8
fs/afs/write.c
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@ -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;
}
/*