linux-kernel - [PATCH 4.17 55/56] staging: comedi: quatech_daqp_cs: fix no-op loop daqp_ao_insn

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Message-Id: <20180710182506.157125104@linuxfoundation.org>
Date:   Tue, 10 Jul 2018 20:25:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
        Ian Abbott <abbotti@....co.uk>
Subject: [PATCH 4.17 55/56] staging: comedi: quatech_daqp_cs: fix no-op loop daqp_ao_insn_write()

4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@...cle.com>

commit 1376b0a2160319125c3a2822e8c09bd283cd8141 upstream.

There is a '>' vs '<' typo so this loop is a no-op.

Fixes: d35dcc89fc93 ("staging: comedi: quatech_daqp_cs: fix daqp_ao_insn_write()")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Reviewed-by: Ian Abbott <abbotti@....co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/staging/comedi/drivers/quatech_daqp_cs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -642,7 +642,7 @@ static int daqp_ao_insn_write(struct com
 	/* Make sure D/A update mode is direct update */
 	outb(0, dev->iobase + DAQP_AUX_REG);
 
-	for (i = 0; i > insn->n; i++) {
+	for (i = 0; i < insn->n; i++) {
 		unsigned int val = data[i];
 		int ret;