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authorPaul Bolle <pebolle@tiscali.nl>2014-02-04 23:23:12 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-07 08:29:46 -0800
commit5bbb2ae3d6f896f8d2082d1eceb6131c2420b7cf (patch)
tree3149c5f0fa942917ed97655062377f9a184881ba /drivers/nubus
parent269f979467cf49f2ea8132316c1f00f8c9678f7c (diff)
downloadlinux-5bbb2ae3d6f896f8d2082d1eceb6131c2420b7cf.tar.bz2
raw: test against runtime value of max_raw_minors
bind_get() checks the device number it is called with. It uses MAX_RAW_MINORS for the upper bound. But MAX_RAW_MINORS is set at compile time while the actual number of raw devices can be set at runtime. This means the test can either be too strict or too lenient. And if the test ends up being too lenient bind_get() might try to access memory beyond what was allocated for "raw_devices". So check against the runtime value (max_raw_minors) in this function. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Jan Kara <jack@suse.cz> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nubus')
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