Messages in this thread | | | From | KY Srinivasan <> | Subject | RE: [PATCH V2 1/1] Drivers: hv: Implement the file copy service | Date | Thu, 16 Jan 2014 15:49:37 +0000 |
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> -----Original Message----- > From: Olaf Hering [mailto:olaf@aepfle.de] > Sent: Thursday, January 16, 2014 3:27 AM > To: KY Srinivasan > Cc: gregkh@linuxfoundation.org; linux-kernel@vger.kernel.org; > devel@linuxdriverproject.org; apw@canonical.com; jasowang@redhat.com > Subject: Re: [PATCH V2 1/1] Drivers: hv: Implement the file copy service > > On Tue, Jan 14, K. Y. Srinivasan wrote: > > This function should return valid numbers: > > > +static ssize_t fcopy_write(struct file *file, const char __user *buf, > > + size_t count, loff_t *ppos) > > +{ > > + int error = 0; > > + > > + if (count != sizeof(int)) > > + return 0; > > Should be an error. > > > + > > + if (copy_from_user(&error, buf, sizeof(int))) > > + return -EFAULT; > > + > > + if (in_hand_shake) { > > + fcopy_handle_handshake(); > > + return 0; > > Should be sizeof(int). > > > + } > > + > > + /* > > + * Complete the transaction by forwarding the result > > + * to the host. But first, cancel the timeout. > > + */ > > + if (cancel_delayed_work_sync(&fcopy_work)) > > + fcopy_respond_to_host(error); > > + > > + return sizeof(int); > > +} Olaf,
I will make the changes in the next version of this patch.
Thank you,
K. Y
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