diff options
| author |   Hans de Goede <hdegoede@redhat.com> | 2017-06-18 15:10:26 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-06-18 15:12:03 -0700 |
| commit | 779f19ac9d5858a2c159030c0c166f7da46b74ae (patch) | |
| tree | 09a38a17c03ad90ea7c57948fb8d1cd636ac8e07 /drivers/input | |
| parent | Input: synaptics-rmi4 - register F03 port as pass-through serio (diff) | |
| download | linux-dev-779f19ac9d5858a2c159030c0c166f7da46b74ae.tar.xz linux-dev-779f19ac9d5858a2c159030c0c166f7da46b74ae.zip | |
Input: soc_button_array - fix leaking the ACPI button descriptor buffer
We are passing a buffer with ACPI_ALLOCATE_BUFFER set to
acpi_evaluate_object, so we must free it when we are done with it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/misc/soc_button_array.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index e37d37273182..f600f3a7a3c6 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -248,7 +248,8 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev) if (!btns_desc) { dev_err(dev, "ACPI Button Descriptors not found\n"); - return ERR_PTR(-ENODEV); + button_info = ERR_PTR(-ENODEV); + goto out; } /* The first package describes the collection */ @@ -264,24 +265,31 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev) } if (collection_uid == -1) { dev_err(dev, "Invalid Button Collection Descriptor\n"); - return ERR_PTR(-ENODEV); + button_info = ERR_PTR(-ENODEV); + goto out; } /* There are package.count - 1 buttons + 1 terminating empty entry */ button_info = devm_kcalloc(dev, btns_desc->package.count, sizeof(*button_info), GFP_KERNEL); - if (!button_info) - return ERR_PTR(-ENOMEM); + if (!button_info) { + button_info = ERR_PTR(-ENOMEM); + goto out; + } /* Parse the button descriptors */ for (i = 1, btn = 0; i < btns_desc->package.count; i++, btn++) { if (soc_button_parse_btn_desc(dev, &btns_desc->package.elements[i], collection_uid, - &button_info[btn])) - return ERR_PTR(-ENODEV); + &button_info[btn])) { + button_info = ERR_PTR(-ENODEV); + goto out; + } } +out: + kfree(buf.pointer); return button_info; } |