Re: [PATCH 3.18 18/52] HID: i2c-hid: fix size check and type usage

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On Sat, Apr 28, 2018 at 11:09:00PM +0200, John Smith wrote:
> > - if (ret_size > size) {
> > + if ((ret_size > size) || (ret_size <= 2)) {
> > dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
> > __func__, size, ret_size);
> > return;
> 
> 
> This change spams in the dmesg output. Could you please undo this change? Or
> 
> - if ((ret_size > size) || (ret_size <= 2)) {
> + if ((ret_size > size) || (ret_size < 2)) {
> 
> 
> $ dmesg
> 
> [ 1781.266353] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
> [ 1781.273898] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
> [ 1781.281464] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
> [ 1781.289064] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
> [ 1781.296607] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
> [ 1781.304131] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
> [ 1781.311751] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
> [ 1781.319315] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
> [ 1781.326882] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)

Does this happen in newer kernels as well?  Is there a patch there that
I need to just backport to 3.18.y to remove this "noise"?

thanks,

greg k-h



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