On Wed, Sep 04, 2013 at 06:52:24PM +0000, Linux Kernel wrote:
> Gitweb:
> http://git.kernel.org/linus/;a=commit;h=18b94f66f9537003cee30d475d79a57c58f1e1d8
> Commit: 18b94f66f9537003cee30d475d79a57c58f1e1d8
> Parent: 7d64ac6422092adbbdaa279ab32f9d4c90a84558
> Author: Aravind Gopalakrishnan <[email protected]>
> AuthorDate: Fri Aug 9 11:54:49 2013 -0500
> Committer: Borislav Petkov <[email protected]>
> CommitDate: Mon Aug 12 16:00:10 2013 +0200
>
> amd64_edac: Add ECC decoding support for newer F15h models
> +static int f15_m30h_match_to_this_node(struct amd64_pvt *pvt, unsigned
> range,
> + u64 sys_addr, int *chan_sel)
> +{
> + ...
> + u8 channel, alias_channel, leg_mmio_hole, dct_sel, dct_offset_en;
^^^^^^^^^^
> +
> + ....
> +
> + channel = f15_m30h_determine_channel(pvt, sys_addr, intlv_en,
> + num_dcts_intlv, dct_sel);
> +
> + /* Verify we stay within the MAX number of channels allowed */
> + if (channel > 4 || channel < 0)
> + return -EINVAL;
Channel will never be < 0, as it's unsigned.
Dave
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