From 822bd5aa2b8e8fa1d328f03bf5b9c75701481bf0 Mon Sep 17 00:00:00 2001
From: David Brownell <david-b@pacbell.net>
Date: Wed, 14 Nov 2007 17:00:04 -0800
Subject: [PATCH] tle62x0 driver stops ignoring read errors

The tle62x0 driver was ignoring all read errors.  This patch makes it
pass such errors up the stack, instead of returning bogus data.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/spi/tle62x0.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/tle62x0.c b/drivers/spi/tle62x0.c
index 6da58ca48b..455991fbe2 100644
--- a/drivers/spi/tle62x0.c
+++ b/drivers/spi/tle62x0.c
@@ -107,8 +107,11 @@ static ssize_t tle62x0_status_show(struct device *dev,
 
 	mutex_lock(&st->lock);
 	ret = tle62x0_read(st);
-
 	dev_dbg(dev, "tle62x0_read() returned %d\n", ret);
+	if (ret < 0) {
+		mutex_unlock(&st->lock);
+		return ret;
+	}
 
 	for (ptr = 0; ptr < (st->nr_gpio * 2)/8; ptr += 1) {
 		fault <<= 8;
-- 
2.39.5