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i2c: make i2c_unregister_device() ERR_PTR safe 

We are moving towards returning ERR_PTRs when i2c_new_*_device() calls
fail. Make sure its counterpart for unregistering handles ERR_PTRs as
well.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2019-08-19 22:48:25 +02:00 committed by Wolfram Sang
parent a55aa89aab
commit 689f535843
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/i2c-core-base.c
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@ -832,7 +832,7 @@ EXPORT_SYMBOL_GPL(i2c_new_device);
*/
void i2c_unregister_device(struct i2c_client *client)
{
if (!client)
if (IS_ERR_OR_NULL(client))
return;
if (client->dev.of_node) {