[PATCH] pcmcia: reduce ds.c stack footprint

This patch reduces the stack footprint of pcmcia_device_query() from 416 bytes
to 36 bytes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>