[PATCH] staging: Check for Null return of allocated skb in fw_download_code

[Valdis.Kletnieks@vt.edu (Valdis.Kletnieks at vt.edu)]

On Wed, 13 Aug 2014 14:03:08 -0400, Nick Krause said:

> I did test my patch by doing a kernel build and I get this error,
> drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c:66:4: error:
> implicit declaration of function ???skb_quene_purge???
> [-Werror=implicit-function-declaration]
>     skb_quene_purge(&priv->rtllib->skb_waitQ[tcb_desc->queue_index]);

Well, this is a C 101 problem.

> I am wondering how do I fix this,

You fix this by not doing any further kernel hacking until you've gotten
a handle on *VERY BASIC* C development concepts.

Also, you're going to have to justify why you're being a total
dumbass and coding skb_waitQ[tcb_desc->queue_index] when the *obvious*
code is skb_waitQ[TXCMD_QUEUE] - yes, an optimizing compiler will do
that substitution, but code clarity is important.

Argh.  I may have to break out my +5 Trout of Smacking....

On Wed, 13 Aug 2014 15:01:45 -0400, Nick Krause said:
> This is the fixed patch, I do get an error about uninitialized
> variables

Are you *trying* to get put in *everybody's* killfile?

> If someone wants to send this out, please do so as this is has been
> built and applied tested.

And you think that *anybody* wants to upstream a patch from you that even
*you* admit still has trouble??!?
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