From 3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5 Mon Sep 17 00:00:00 2001
From: Daniel Drake <dsd@laptop.org>
Date: Thu, 17 Dec 2009 15:27:17 -0800
Subject: [PATCH] sdio: fix reference counting in sdio_remove_func()

sdio_remove_func() needs to be more careful about reference counting.  It
can be called in error paths where sdio_add_func() has never been called
e.g.  mmc_attach_sdio error path --> mmc_sdio_remove --> sdio_remove_func

Signed-off-by: Daniel Drake <dsd@laptop.org>
Reviewed-by: Matt Fleming <matt@console-pimps.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
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