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SubjectRe: [patch] iov_iter_advance fix
Thanks Nick,

I've verified this fixes the problem I was seeing.

On Thu, Mar 6, 2008 at 12:39 AM, Nick Piggin <> wrote:
> iov_iter_advance skips over zero-length iovecs, however it does not properly
> terminate at the end of the iovec array. Fix this by checking against
> i->count before we skip a zero-length iov.
> The bug was reproduced with a test program that continually randomly creates
> iovs to writev. The fix was also verified with the same program and also it
> could verify that the correct data was contained in the file after each
> writev.
> 2.6.25 and 2.6.24.stable requires this fix.
> Signed-off-by: Nick Piggin <>
> Cc:

Tested-by: Kevin Coffman <>

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