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| author |   Peter Rosin <peda@axentia.se> | 2017-05-15 09:03:50 +0200 |
|---|---|---|
| committer | Peter Rosin <peda@axentia.se> | 2017-05-15 18:49:11 +0200 |
| commit | 9fce894d03a98ec8e8e8106a964644633d2772ee (patch) | |
| tree | dc3cd5c9f44d5901a4bf04c11f1b2fbfa6c35be6 /drivers/i2c/i2c-mux.c | |
| parent | i2c: mux: reg: rename label to indicate what it does (diff) | |
| download | linux-dev-9fce894d03a98ec8e8e8106a964644633d2772ee.tar.xz linux-dev-9fce894d03a98ec8e8e8106a964644633d2772ee.zip | |
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 <peda@axentia.se>
Diffstat (limited to 'drivers/i2c/i2c-mux.c')
| -rw-r--r-- | drivers/i2c/i2c-mux.c | 26 |
1 files 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); |