Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 04/16] USB: legotower: fix logical error in recent commit | Date | Sat, 19 Dec 2020 13:57:11 +0100 |
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From: Alan Stern <stern@rowland.harvard.edu>
commit b175d273d4e4100b66e68f0675fef7a3c07a7957 upstream.
Commit d9f0d82f06c6 ("USB: legousbtower: use usb_control_msg_recv()") contained an elementary logical error. The check of the return code from the new usb_control_msg_recv() function was inverted.
Reported-and-tested-by: syzbot+9be25235b7a69b24d117@syzkaller.appspotmail.com Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20201208163042.GD1298255@rowland.harvard.edu Fixes: d9f0d82f06c6 ("USB: legousbtower: use usb_control_msg_recv()") Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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 @@ -797,7 +797,7 @@ static int tower_probe(struct usb_interf &get_version_reply, sizeof(get_version_reply), 1000, GFP_KERNEL); - if (!result) { + if (result) { dev_err(idev, "get version request failed: %d\n", result); retval = result; goto error;
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