powerpc/macintosh: Fix wrong test in fan_{read,write}_reg()
authorroel kluin <roel.kluin@gmail.com>
Fri, 31 Dec 2010 04:57:46 +0000 (04:57 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 21 Jan 2011 03:08:34 +0000 (14:08 +1100)
Fix error test in fan_{read,write}_reg()

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
drivers/macintosh/therm_pm72.c

index 2e041fd0a00c41024aa6bfc8b42ee3a3d2b0ba4e..f3a29f264db9d6ca9624e8b18b21a8a67607728a 100644 (file)
@@ -443,7 +443,7 @@ static int fan_read_reg(int reg, unsigned char *buf, int nb)
        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 unsigned char *ptr, int nb)
        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;