3.16.80-rc1 review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@oracle.com
commit fd47a417e75e2506eb3672ae569b1c87e3774155 upstream.
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: Ben Hutchings ben@decadent.org.uk --- drivers/usb/misc/legousbtower.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -910,7 +910,7 @@ static int tower_probe (struct usb_inter get_version_reply, sizeof(*get_version_reply), 1000); - if (result < sizeof(*get_version_reply)) { + if (result != sizeof(*get_version_reply)) { if (result >= 0) result = -EIO; dev_err(idev, "get version request failed: %d\n", result);