Re: Kevent POSIX timers support.

From: Tushar Adeshara
Date: Wed Dec 13 2006 - 08:22:08 EST


On 11/23/06, Evgeniy Polyakov <johnpol@xxxxxxxxxxx> wrote:
On Wed, Nov 22, 2006 at 01:44:16PM +0300, Evgeniy Polyakov (johnpol@xxxxxxxxxxx) wrote:
+static int posix_kevent_init_timer(struct k_itimer *tmr, int fd)
+{
+ struct ukevent uk;
+ struct file *file;
+ struct kevent_user *u;
+ int err;
+
+ file = fget(fd);
+ if (!file) {
+ err = -EBADF;
+ goto err_out;
+ }
+
+ if (file->f_op != &kevent_user_fops) {
+ err = -EINVAL;
+ goto err_out_fput;
+ }
+
+ u = file->private_data;
+
+ memset(&uk, 0, sizeof(struct ukevent));
+
+ uk.type = KEVENT_POSIX_TIMER;
+ uk.id.raw_u64 = (unsigned long)(tmr); /* Just cast to something unique */
+ uk.ptr = tmr;
+
+ tmr->it_sigev_value.sival_ptr = file;
+
+ err = kevent_user_add_ukevent(&uk, u);

I think these four lines are not required. Irrespective of return
value of kevent_user_add_ukevent(), we are going to release file, and
return err.

+ if (err)
+ goto err_out_fput;
+
+ fput(file);
+
+ return 0;


+
+err_out_fput:
+ fput(file);
+err_out:
+ return err;
+}
+

--
Regards,
Tushar
--------------------
It's not a problem, it's an opportunity for improvement. Lets improve.
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