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ARM: davinci: dm646x-evm: Simplify error handling in 'evm_sw_setup()'
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Sat, 21 Mar 2020 08:58:36 +0000 (09:58 +0100)
committerSekhar Nori <nsekhar@ti.com>
Tue, 21 Jul 2020 19:04:21 +0000 (00:34 +0530)
There is no need to call 'gpio_free(evm_sw_gpio[i])' for these error
handling cases, it is already done in the error handling path at label
'out_free'.

Simplify the code and axe a few LoC.

While at it, also explicitly return 0 in the normal path.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
arch/arm/mach-davinci/board-dm646x-evm.c

index 4600b61..dd7d60f 100644 (file)
@@ -267,20 +267,15 @@ static int evm_sw_setup(struct i2c_client *client, int gpio,
                evm_sw_gpio[i] = gpio++;
 
                status = gpio_direction_input(evm_sw_gpio[i]);
-               if (status) {
-                       gpio_free(evm_sw_gpio[i]);
-                       evm_sw_gpio[i] = -EINVAL;
+               if (status)
                        goto out_free;
-               }
 
                status = gpio_export(evm_sw_gpio[i], 0);
-               if (status) {
-                       gpio_free(evm_sw_gpio[i]);
-                       evm_sw_gpio[i] = -EINVAL;
+               if (status)
                        goto out_free;
-               }
        }
-       return status;
+       return 0;
+
 out_free:
        for (i = 0; i < 4; ++i) {
                if (evm_sw_gpio[i] != -EINVAL) {