Re: [PATCH 3/4] debugfs: Add read-only/write-only size_t file ops

From: Viresh Kumar
Date: Mon Oct 12 2015 - 23:45:23 EST


On 12-10-15, 18:09, Stephen Boyd wrote:
> There aren't any read-only or write-only size_t file ops, but there
> is a caller of debugfs_create_size_t() that calls it with mode
> equal to 0400. This leads to the possibility of userspace
> modifying the file, so let's use the newly created
> debugfs_create_mode() helper here to fix this.
>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
> fs/debugfs/file.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)

Reviewed-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

--
viresh
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