drm/nouveau/i2c: fix debug message

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c
index d0d581440d5ec5cfb996496b26a60c808a03ed79..116ef3193fc794079c2533f951e2071800c0b2be 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_i2c.c
+++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c
@@ -375,9 +375,13 @@ nouveau_i2c_identify(struct drm_device *dev, const char *what,
        struct nouveau_i2c_chan *i2c = nouveau_i2c_find(dev, index);
        int i;
 
-       NV_DEBUG(dev, "Probing %ss on I2C bus: %d\n", what, index);
+       if (!i2c) {
+               NV_DEBUG(dev, "No bus when probing %s on %d\n", what, index);
+               return -ENODEV;
+       }
 
-       for (i = 0; i2c && info[i].addr; i++) {
+       NV_DEBUG(dev, "Probing %ss on I2C bus: %d\n", what, i2c->index);
+       for (i = 0; info[i].addr; i++) {
                if (nouveau_probe_i2c_addr(i2c, info[i].addr) &&
                    (!match || match(i2c, &info[i]))) {
                        NV_INFO(dev, "Detected %s: %s\n", what, info[i].type);
@@ -386,6 +390,5 @@ nouveau_i2c_identify(struct drm_device *dev, const char *what,
        }
 
        NV_DEBUG(dev, "No devices found.\n");
-
        return -ENODEV;
 }