[PATCH] gpib: lpvo_usb: rewrite DLE/STX sequence validation using !(A && B) for clarity

[sunliming]

From: sunliming <sunliming@xxxxxxxxxx>

Fix below smatch warnings:
drivers/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c:808 usb_gpib_read() warn: was
&& intended here instead of ||?

Signed-off-by: sunliming <sunliming@xxxxxxxxxx>
---
 drivers/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c b/drivers/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c
index e6ea9422d6f2..3e09f8226a56 100644
--- a/drivers/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c
+++ b/drivers/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c
@@ -802,7 +802,7 @@ static int usb_gpib_read(struct gpib_board *board,
 	if (retval < 0)
 		goto read_return;
 
-	if (one_char(board, &b) != DLE || one_char(board, &b) != STX) {
+	if (!(one_char(board, &b) == DLE && one_char(board, &b) == STX)) {
 		dev_err(board->gpib_dev, "wrong <DLE><STX> sequence\n");
 		retval = -EIO;
 		goto read_return;
-- 
2.43.0