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USB: legotower: fix logical error in recent commit

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commit b175d273d4e4100b66e68f0675fef7a3c07a7957 upstream.

Commit d9f0d82f06 ("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: d9f0d82f06 ("USB: legousbtower: use usb_control_msg_recv()")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Stern 2020-12-08 11:30:42 -05:00 committed by Greg Kroah-Hartman
parent 2902e30299
commit d483f5e5ce
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/misc/legousbtower.c
View File

@ -797,7 +797,7 @@ static int tower_probe(struct usb_interface *interface, const struct usb_device_
&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;