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Date: Mon, 24 Apr 2017 22:13:10 +0200 From: Fabian Frederick <fabf@...net.be> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Alexander Viro <viro@...iv.linux.org.uk>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, fabf@...net.be Subject: [PATCH 2/2 linux-next] fs/affs: bugfix: Write files greater than page size on OFS Previous AFFS patch fixed OFS write operations but unveiled another bug: files greater than 4KB are being created with a wrong size resulting in errors like the following: dd if=/dev/zero of=file bs=4097 count=1 cp file /mnt/affs/ cp: error writing '/mnt/affs/file': Bad address Signed-off-by: Fabian Frederick <fabf@...net.be> --- fs/affs/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/affs/file.c b/fs/affs/file.c index e5c5de6..196ee7f 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -679,7 +679,7 @@ static int affs_write_end_ofs(struct file *file, struct address_space *mapping, int written; from = pos & (PAGE_SIZE - 1); - to = pos + len; + to = from + len; /* * XXX: not sure if this can handle short copies (len < copied), but * we don't have to, because the page should always be uptodate here, -- 2.9.3
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