Re: [2.6.11-rc4-mm1 patch] fix buggy IEEE80211_CRYPT_* selects

[Adrian Bunk]

On Wed, Mar 02, 2005 at 02:12:04PM -0500, Jeff Garzik wrote:
> Adrian Bunk wrote:
> >On Wed, Mar 02, 2005 at 01:43:04AM -0500, Jeff Garzik wrote:
> >
> >>Adrian Bunk wrote:
> >>
> >>>+	select CRYPTO
> >>>	select CRYPTO_AES
> >>>	---help---
> >>>	Include software based cipher suites in support of IEEE 802.11i 
> >>>	(aka TGi, WPA, WPA2, WPA-PSK, etc.) for use with CCMP enabled 
> >>>	networks.
> >>>@@ -54,10 +55,11 @@
> >>>	"ieee80211_crypt_ccmp".
> >>>
> >>>config IEEE80211_CRYPT_TKIP
> >>>	tristate "IEEE 802.11i TKIP encryption"
> >>>	depends on IEEE80211
> >>>+	select CRYPTO
> >>>	select CRYPTO_MICHAEL_MIC
> >>
> >>
> >>'select CRYPTO_AES' should 'select CRYPTO' automatically, I would hope.
> >
> >
> >This would result in a recursive dependency.
> 
> No, it wouldn't.  CRYPTO_AES depends on CRYPTO, which depends on nothing.

Exactly.

And if CRYPTO_AES would select CRYPTO, you'd have a recursive 
dependency.

The only possible thing would be to change all dependencies on CRYPTO to 
selects. This wouldn't be unlogical since the whole crypto subsystem is 
only a helper for other subsystems.

James, any opinions on this issue?

> 	Jeff

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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