Re: [PATCH 2/2] Fix (improve) deadlock condition on module removal netfilter socket option removal

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On Wed, 2007-09-05 at 16:26 -0400, Jon Masters wrote:
> On Tue, 2007-09-04 at 16:30 -0400, Neil Horman wrote:
> 
> > 	2nd of two patches.  This patch enhances modprobe to operate like rmmod
> > in non-blocking mode.  It also adds a -w option to allow for explicit blocking
> > operation.
> 
> As I suspected, this patch isn't in the tree. I am going to commit it
> now because it makes sense. I'm also going to sort out moving things to
> kernel.org this afternoon while I'm at it - I don't want to confuse
> people with kerneltools.org any more now I've got a kernel.org acc.

1) You don't want to hand the "wait" flag (ie ~O_NONBLOCK) to
sub-rmmods,

2) You need to do something about this code if wait is specified:

	if (usecount != 0) {
		if (!ignore_inuse)
			error("Module %s is in use.\n", name);
		goto remove_rest;
	}

Cheers,
Rusty.


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