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USB: legousbtower: fix a signedness bug in tower_probe()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 11 Oct 2019 14:11:15 +0000 (17:11 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 15 Oct 2019 18:07:43 +0000 (20:07 +0200)
commitfd47a417e75e2506eb3672ae569b1c87e3774155
tree3098b5352d2a22355d77def24e5c11c88b193f83
parentb6c03e5f7b463efcafd1ce141bd5a8fc4e583ae2
USB: legousbtower: fix a signedness bug in tower_probe()

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>
drivers/usb/misc/legousbtower.c