diff options
| author | Stephen Boyd <swboyd@chromium.org> | 2018-06-22 05:27:16 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2018-06-25 16:12:42 +0300 |
| commit | d6f83894110de247a81392ab7ef89e5498df7e80 (patch) | |
| tree | 6eaa205278dc4b6cc198cd9eae45b23f3579e19c /drivers/hid | |
| parent | fdea70d26a471e002f2afc3a48821323b699f1e6 (diff) | |
| download | linux-d6f83894110de247a81392ab7ef89e5498df7e80.tar.xz | |
HID: i2c-hid: Use devm to allocate i2c_hid struct
Use devm here to save some lines and prepare for bulk regulator usage in
this driver. Otherwise, when we devm bulk get regulators we'll free the
containing i2c_hid structure and try to put regulator pointers from
freed memory.
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Dmitry Torokhov <dtor@chromium.org>
Cc: Doug Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/i2c-hid/i2c-hid.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index c1652bb7bd15..c7d6738dc524 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -1002,18 +1002,18 @@ static int i2c_hid_probe(struct i2c_client *client, return client->irq; } - ihid = kzalloc(sizeof(struct i2c_hid), GFP_KERNEL); + ihid = devm_kzalloc(&client->dev, sizeof(*ihid), GFP_KERNEL); if (!ihid) return -ENOMEM; if (client->dev.of_node) { ret = i2c_hid_of_probe(client, &ihid->pdata); if (ret) - goto err; + return ret; } else if (!platform_data) { ret = i2c_hid_acpi_pdata(client, &ihid->pdata); if (ret) - goto err; + return ret; } else { ihid->pdata = *platform_data; } @@ -1126,7 +1126,6 @@ err_regulator: err: i2c_hid_free_buffers(ihid); - kfree(ihid); return ret; } @@ -1150,8 +1149,6 @@ static int i2c_hid_remove(struct i2c_client *client) regulator_disable(ihid->pdata.supply); - kfree(ihid); - return 0; } |