Re: [PATCH v3 4/6] staging: r8188eu: add error handling of rtw_read16

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On 8/25/21 1:38 PM, Dan Carpenter wrote:
On Wed, Aug 25, 2021 at 01:13:54PM +0300, Pavel Skripkin wrote:
On 8/25/21 1:06 PM, Dan Carpenter wrote:
> On Wed, Aug 25, 2021 at 12:55:37PM +0300, Pavel Skripkin wrote:
> > The main problem, that no one knows who is the "old". Greg can take patches
> > in any order he wants
> > Patches are always taken in first come first serve. >

Ok, but if pending patch needs new version, then it will be taken at the
end?

Versions don't matter.  No one is tracking any of that.

A patch arrives.  It is either applied or rejected.  First come first
serve.


Ok, big thanks for explanation


Here is the situation we have:

	I have the patch series based on old function behavior, it was
	posted first

	Then Fabio posted refactoring of the function and it changes
	return values.


Both series are pending right now and made on top of staging-next branch.
Who needs to rebase? I think, applying these series as-is can broke the
driver, since error handling will be broken

That's a bug then.  The patch should be rejected.  You're not allowed to
break the code.

Also don't write patches which lead to merge order breaking the code
silently.  That makes it difficult for stable as well.  For example,
don't do this:

-void frob(int a, int b);
+void frob(int b, int a);

In that case, you would change the name of the function so that the
build would break when people mix old and new code.


Understandable, thank you :)





With regards,
Pavel Skripkin




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