i2c: dln2: Simplify return flow for dln2_i2c_enable

This fixes the following kbuild test robot warning:

>> drivers/i2c/busses/i2c-dln2.c:70:1-4: WARNING: end returns can be simplified if negative or 0 value

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/i2c/busses/i2c-dln2.c b/drivers/i2c/busses/i2c-dln2.c
index 010a5fa8c883..b3fb86af4cbb 100644
--- a/drivers/i2c/busses/i2c-dln2.c
+++ b/drivers/i2c/busses/i2c-dln2.c
@@ -54,7 +54,6 @@ struct dln2_i2c {
 
 static int dln2_i2c_enable(struct dln2_i2c *dln2, bool enable)
 {
-        int ret;
         u16 cmd;
         struct {
                 u8 port;
@@ -67,11 +66,7 @@ static int dln2_i2c_enable(struct dln2_i2c *dln2, bool enable)
         else
                 cmd = DLN2_I2C_DISABLE;
 
-        ret = dln2_transfer_tx(dln2->pdev, cmd, &tx, sizeof(tx));
-        if (ret < 0)
-                return ret;
-
-        return 0;
+        return dln2_transfer_tx(dln2->pdev, cmd, &tx, sizeof(tx));
 }
 
 static int dln2_i2c_write(struct dln2_i2c *dln2, u8 addr,