tree d1632746120e960d3507be7af65b98016a427403
parent 4df728651b8a99693c69962d8e5a5b9e5a3bbcc7
author Dan Carpenter <dan.carpenter@oracle.com> 1570803075 +0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1573040601 +0100

USB: legousbtower: fix a signedness bug in tower_probe()

[ Upstream commit fd47a417e75e2506eb3672ae569b1c87e3774155 ]

The problem is that sizeof() is unsigned long so negative error codes
are type promoted to high positive values and the condition becomes
false.

Fixes: 1d427be4a39d ("USB: legousbtower: fix slab info leak at probe")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191011141115.GA4521@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>