Akinobu Mita 962f3ffa92 wusb: fix find_first_zero_bit() return value check
In wusb_cluster_id_get(), if no zero bits exist in wusb_cluster_id_table,
find_first_zero_bit() returns CLUSTER_IDS.

But it is impossible to detect that the bitmap is full because there
is an off-by-one error in the return value check.  It will cause
unexpected memory access by setting bit out of wusb_cluster_id_table
bitmap, and caller will get wrong cluster id.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: linux-usb@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-03-02 19:52:28 -05:00
..
2008-09-17 16:54:36 +01:00
2010-10-22 10:22:07 -07:00
2008-11-19 14:46:33 +00:00
2010-11-01 15:38:34 -04:00