diff --git a/[refs] b/[refs]
index b52b0f0c10f5..a494884351f0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f637fde434c9e3687798730c7ddd367e93666013
+refs/heads/master: 79985eee842ef146ed6307a29fdc2fa008036421
diff --git a/trunk/drivers/gpu/drm/i915/intel_i2c.c b/trunk/drivers/gpu/drm/i915/intel_i2c.c
index cab879fedf3c..e24916042550 100644
--- a/trunk/drivers/gpu/drm/i915/intel_i2c.c
+++ b/trunk/drivers/gpu/drm/i915/intel_i2c.c
@@ -217,7 +217,7 @@ gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
 		   (len << GMBUS_BYTE_COUNT_SHIFT) |
 		   (msg->addr << GMBUS_SLAVE_ADDR_SHIFT) |
 		   GMBUS_SLAVE_READ | GMBUS_SW_RDY);
-	do {
+	while (len) {
 		int ret;
 		u32 val, loop = 0;
 		u32 gmbus2;
@@ -235,7 +235,7 @@ gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
 			*buf++ = val & 0xff;
 			val >>= 8;
 		} while (--len && ++loop < 4);
-	} while (len);
+	}
 
 	return 0;
 }