From 9fce894d03a98ec8e8e8106a964644633d2772ee Mon Sep 17 00:00:00 2001 From: Peter Rosin Date: Mon, 15 May 2017 09:03:50 +0200 Subject: [PATCH] i2c: mux: only print failure message on error As is, a failure message is printed unconditionally, which is confusing. And noisy. Fixes: 8d4d159f25a7 ("i2c: mux: provide more info on failure in i2c_mux_add_adapter") Signed-off-by: Peter Rosin --- drivers/i2c/i2c-mux.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 26f7237558ba..9669ca4937b8 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -395,18 +395,20 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, if (force_nr) { priv->adap.nr = force_nr; ret = i2c_add_numbered_adapter(&priv->adap); - dev_err(&parent->dev, - "failed to add mux-adapter %u as bus %u (error=%d)\n", - chan_id, force_nr, ret); + if (ret < 0) { + dev_err(&parent->dev, + "failed to add mux-adapter %u as bus %u (error=%d)\n", + chan_id, force_nr, ret); + goto err_free_priv; + } } else { ret = i2c_add_adapter(&priv->adap); - dev_err(&parent->dev, - "failed to add mux-adapter %u (error=%d)\n", - chan_id, ret); - } - if (ret < 0) { - kfree(priv); - return ret; + if (ret < 0) { + dev_err(&parent->dev, + "failed to add mux-adapter %u (error=%d)\n", + chan_id, ret); + goto err_free_priv; + } } WARN(sysfs_create_link(&priv->adap.dev.kobj, &muxc->dev->kobj, @@ -422,6 +424,10 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, muxc->adapter[muxc->num_adapters++] = &priv->adap; return 0; + +err_free_priv: + kfree(priv); + return ret; } EXPORT_SYMBOL_GPL(i2c_mux_add_adapter); -- 2.20.1