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malloc(..., M_WAITOK) will not return NULL, so remove the error

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handling for this case (which was slightly broken anyway)

Fix up some whitespace problems while I'm here too.

Submitted by:  alfred   (in a slightly different form)
This commit is contained in:
jlemon 2000-06-10 01:51:18 +00:00
parent e34188e1fc
commit a1f73470ca
1 changed files with 16 additions and 35 deletions
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51
sys/kern/kern_event.c
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@ -57,7 +57,6 @@ static int filt_procattach(struct knote *kn);
static void filt_procdetach(struct knote *kn);
static int filt_proc(struct knote *kn, long hint);
static int kqueue_create(struct kqueue **kqp);
static int kqueue_scan(struct file *fp, int maxevents,
struct kevent *ulistp, struct timespec *timeout,
struct proc *p);
@ -292,46 +291,28 @@ filt_proc(struct knote *kn, long hint)
return (kn->kn_fflags != 0);
}
static int
kqueue_create(struct kqueue **kqp)
{
struct kqueue *kq;
kq = malloc(sizeof(struct kqueue), M_TEMP, M_WAITOK);
if (kq == NULL)
return (EAGAIN);
bzero(kq, sizeof(*kq));
TAILQ_INIT(&kq->kq_head);
*kqp = kq;
return (0);
}
int
kqueue(struct proc *p, struct kqueue_args *uap)
{
struct filedesc *fdp = p->p_fd;
struct kqueue *kq;
struct file *fp;
int fd, error;
struct filedesc *fdp = p->p_fd;
struct kqueue *kq;
struct file *fp;
int fd, error;
error = falloc(p, &fp, &fd);
if (error)
return (error);
fp->f_flag = FREAD | FWRITE;
fp->f_type = DTYPE_KQUEUE;
fp->f_ops = &kqueueops;
error = kqueue_create(&kq);
if (error) {
fdp->fd_ofiles[fd] = 0;
ffree(fp);
} else {
fp->f_data = (caddr_t)kq;
p->p_retval[0] = fd;
}
error = falloc(p, &fp, &fd);
if (error)
return (error);
fp->f_flag = FREAD | FWRITE;
fp->f_type = DTYPE_KQUEUE;
fp->f_ops = &kqueueops;
kq = malloc(sizeof(struct kqueue), M_TEMP, M_WAITOK);
bzero(kq, sizeof(*kq));
TAILQ_INIT(&kq->kq_head);
fp->f_data = (caddr_t)kq;
p->p_retval[0] = fd;
fdp->fd_knlistsize = 0; /* mark this fdesc as having a kq */
kq->kq_fdp = fdp;
return (error);
return (error);
}
#ifndef _SYS_SYSPROTO_H_