From: Zheng Liu Subject: Re: [PATCH] ext4: check error return from ext4_write_inline_data_end() Date: Mon, 24 Jun 2013 21:40:02 +0800 Message-ID: <20130624134002.GB7709@gmail.com> References: <20130620144421.GC28309@thunk.org> <1371739943-31176-1-git-send-email-tytso@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Ext4 Developers List , jonernst07@gmx.com, Zheng Liu , stable@vger.kernel.org To: Theodore Ts'o Return-path: Content-Disposition: inline In-Reply-To: <1371739943-31176-1-git-send-email-tytso@mit.edu> Sender: stable-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Thu, Jun 20, 2013 at 10:52:23AM -0400, Theodore Ts'o wrote: > The function ext4_write_inline_data_end() can return an error. So we > need to assign it to a signed integer variable to check for an error > return (since copied is an unsigned int). > > Signed-off-by: "Theodore Ts'o" > Cc: Zheng Liu > Cc: stable@vger.kernel.org Sorry for the late reply. Thanks for fixing this. The patch looks good to me. Reviewed-by: Zheng Liu - Zheng > --- > fs/ext4/inode.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) > > diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c > index baf5c2b..567a734 100644 > --- a/fs/ext4/inode.c > +++ b/fs/ext4/inode.c > @@ -1061,10 +1061,13 @@ static int ext4_write_end(struct file *file, > } > } > > - if (ext4_has_inline_data(inode)) > - copied = ext4_write_inline_data_end(inode, pos, len, > - copied, page); > - else > + if (ext4_has_inline_data(inode)) { > + ret = ext4_write_inline_data_end(inode, pos, len, > + copied, page); > + if (ret < 0) > + goto errout; > + copied = ret; > + } else > copied = block_write_end(file, mapping, pos, > len, copied, page, fsdata); > > -- > 1.7.12.rc0.22.gcdd159b > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html