Hi Colin,

On 4/20/21 2:10 PM, Colin King wrote:
> From: Colin Ian King <colin.k...@canonical.com>
> 
> The check for ret < 0 is always false because ret is a (unsigned) size_t
> and not a (signed) ssize_t, hence simple_write_to_buffer failures are
> never detected. Fix this by making ret a ssize_t
> 
> Addresses-Coverity: ("Unsigned compared against 0")
> Fixes: 8074a79fad2e ("platform/x86: intel_pmc_core: Add option to set/clear 
> LPM mode")
> Signed-off-by: Colin Ian King <colin.k...@canonical.com>

Thank you for the patch, but I already send out the same patch myself
yesterday, so this is a duplicate.

Regards,

Hans



> ---
>  drivers/platform/x86/intel_pmc_core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/x86/intel_pmc_core.c 
> b/drivers/platform/x86/intel_pmc_core.c
> index 3ae00ac85c75..d174aeb492e0 100644
> --- a/drivers/platform/x86/intel_pmc_core.c
> +++ b/drivers/platform/x86/intel_pmc_core.c
> @@ -1360,7 +1360,7 @@ static ssize_t pmc_core_lpm_latch_mode_write(struct 
> file *file,
>       struct pmc_dev *pmcdev = s->private;
>       bool clear = false, c10 = false;
>       unsigned char buf[8];
> -     size_t ret;
> +     ssize_t ret;
>       int idx, m, mode;
>       u32 reg;
>  
> 

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