Messages in this thread Patch in this message | | | Date | Wed, 23 Apr 2008 10:38:45 +0300 (EEST) | From | Pekka J Enberg <> | Subject | Re: [sched-devel/latest] WARNING: at mm/slub.c:2443 |
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On Tue, 22 Apr 2008, Pete Zaitcev wrote: > > Cc:-ing USB folks as the kmem_cache_destroy() comes from > > drivers/usb/mon/mon_text.c. > > I looked at this whole day today, but found nothing. > > The code analysis for usbmon shows nothing. Anyone wants to have > a look?
So something like the following totally untested patch.
Pekka
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index 5e3e4e9..c6fdc6e 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -449,6 +449,7 @@ static struct mon_event_text *mon_text_read_wait(struct mon_reader_text *rp, if (file->f_flags & O_NONBLOCK) { set_current_state(TASK_RUNNING); remove_wait_queue(&rp->wait, &waita); + kmem_cache_free(rp->e_slab, ep); return ERR_PTR(-EWOULDBLOCK); } /* @@ -458,6 +459,7 @@ static struct mon_event_text *mon_text_read_wait(struct mon_reader_text *rp, schedule(); if (signal_pending(current)) { remove_wait_queue(&rp->wait, &waita); + kmem_cache_free(rp->e_slab, ep); return ERR_PTR(-EINTR); } set_current_state(TASK_INTERRUPTIBLE);
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