Messages in this thread | | | Date | Wed, 5 Dec 2012 10:59:17 +0100 | From | Jean Delvare <> | Subject | Re: [PATCH 09/14] HID: i2c-hid: i2c_hid_get_report may fail |
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On Tue, 4 Dec 2012 16:27:50 +0100, Benjamin Tissoires wrote: > If i2c_hid_get_report fails, exit i2c_hid_init_report. > The printk log is already called by i2c_hid_get_report, so no need > to add some more printks. > > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com> > --- > drivers/hid/i2c-hid/i2c-hid.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c > index da04948..dcacfc4 100644 > --- a/drivers/hid/i2c-hid/i2c-hid.c > +++ b/drivers/hid/i2c-hid/i2c-hid.c > @@ -400,9 +400,10 @@ static void i2c_hid_init_report(struct hid_report *report, u8 *buffer, > unsigned int size, ret_size; > > size = i2c_hid_get_report_length(report); > - i2c_hid_get_report(client, > + if (i2c_hid_get_report(client, > report->type == HID_FEATURE_REPORT ? 0x03 : 0x01, > - report->id, buffer, size); > + report->id, buffer, size)) > + return; > > i2c_hid_dbg(ihid, "report (len=%d): %*ph\n", size, size, ihid->inbuf); >
OK, although I don't quite get the rationale for not reporting the errors from i2c_hid_init_report() and i2c_hid_init_reports() to their respective callers. Does the device have any chance to work properly if i2c_hid_init_reports() fails?
Reviewed-by: Jean Delvare <khali@linux-fr.org>
-- Jean Delvare
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