Subject: [patch 1/2] macintosh: wrong test in fan_{read,write}_reg()

From: [email-masked]
Date: Tue, 18 Jan 2011 13:09:09 -0800

From: roel kluin <[email-masked]>

Fix error test in fan_{read,write}_reg()

Signed-off-by: Roel Kluin <[email-masked]>
Cc: Benjamin Herrenschmidt <[email-masked]>
Signed-off-by: Andrew Morton <[email-masked]>
---

 drivers/macintosh/therm_pm72.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN drivers/macintosh/therm_pm72.c~macintosh-wrong-test-in-fan_readwrite_reg drivers/macintosh/therm_pm72.c
--- a/drivers/macintosh/therm_pm72.c~macintosh-wrong-test-in-fan_readwrite_reg
+++ a/drivers/macintosh/therm_pm72.c
@@ -443,7 +443,7 @@ static int fan_read_reg(int reg, unsigne
 	tries = 0;
 	for (;;) {
 		nr = i2c_master_recv(fcu, buf, nb);
-		if (nr > 0 || (nr < 0 && nr != ENODEV) || tries >= 100)
+		if (nr > 0 || (nr < 0 && nr != -ENODEV) || tries >= 100)
 			break;
 		msleep(10);
 		++tries;
@@ -464,7 +464,7 @@ static int fan_write_reg(int reg, const 
 	tries = 0;
 	for (;;) {
 		nw = i2c_master_send(fcu, buf, nb);
-		if (nw > 0 || (nw < 0 && nw != EIO) || tries >= 100)
+		if (nw > 0 || (nw < 0 && nw != -EIO) || tries >= 100)
 			break;
 		msleep(10);
 		++tries;
_