On Tue, 29 Nov 2011 22:08:00 +0100
Thomas Meyer <[email protected]> wrote:

> The advantage of kcalloc is, that will prevent integer overflows which could
> result from the multiplication of number of elements and size and it is also
> a bit nicer to read.
> 
> The semantic patch that makes this change is available
> in https://lkml.org/lkml/2011/11/25/107
> 
> Signed-off-by: Thomas Meyer <[email protected]>
> ---
> 
> diff -u -p a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
> --- a/fs/cifs/cifssmb.c 2011-11-13 11:07:56.343959560 +0100
> +++ b/fs/cifs/cifssmb.c 2011-11-28 19:47:15.006997976 +0100
> @@ -2140,7 +2140,7 @@ cifs_async_writev(struct cifs_writedata
>               goto async_writev_out;
>  
>       /* 1 iov per page + 1 for header */
> -     iov = kzalloc((wdata->nr_pages + 1) * sizeof(*iov), GFP_NOFS);
> +     iov = kcalloc(wdata->nr_pages + 1, sizeof(*iov), GFP_NOFS);
>       if (iov == NULL) {
>               rc = -ENOMEM;
>               goto async_writev_out;
> --
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Looks correct.

Reviewed-by: Jeff Layton <[email protected]>
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