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On Thu, 4 Sep 2008 16:08:08 -0700
Andrew Morton <akpm@linux-foundation.org> wrote:
> From: Andrew Morton <akpm@linux-foundation.org>
>
> mmc_block_open() increments md->usage although it returns with -EROFS when
> default mounting a MMC/SD card with write protect switch on. This
> reference counting bug prevents /dev/mmcblkX from being released on card
> removal, and situation worsen with reinsertion until the minor number
> range runs out.
>
> Reported-by: <sasin@solomon-systech.com>
> Cc: Pierre Ossman <drzeus-list@drzeus.cx>
> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x]
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
I wonder how that bug has been able to go unnoticed for so long...
Acked-by: Pierre Ossman <drzeus@drzeus.cx>
--
-- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org
rdesktop, core developer http://www.rdesktop.org
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