Re: [stable] 2.6.27.58-rc1 build error Re: [PATCH 21/23] hvc_console: Fix race between hvc_close and hvc_remove

[Willy Tarreau]

On Tue, Feb 08, 2011 at 09:20:42PM -0600, Jayson R. King wrote:
> drivers/char/hvc_console.c: In function 'hvc_open':
> drivers/char/hvc_console.c:315: error: implicit declaration of function 
> 'tty_kref_get'
> drivers/char/hvc_console.c:324: warning: assignment makes pointer from 
> integer without a cast
> drivers/char/hvc_console.c:341: error: implicit declaration of function 
> 'tty_kref_put'
> drivers/char/hvc_console.c: In function 'hvc_poll':
> drivers/char/hvc_console.c:558: warning: assignment makes pointer from 
> integer without a cast
> drivers/char/hvc_console.c: In function 'hvc_remove':
> drivers/char/hvc_console.c:759: warning: assignment makes pointer from 
> integer without a cast
> 
> I don't see a tty_kref_get or tty_kref_put on 2.6.27. Those functions 
> first appeared in 2.6.28.

Oh indeed, and the ->kref struct member did not even exist in 2.6.27.
Let's drop the patch then, we don't want to add the kref everywhere,
it would have to be ported to other users.

Thanks!
Willy

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