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authorBenjamin Tissoires <benjamin.tissoires@gmail.com>2012-11-23 16:31:24 +0100
committerJiri Kosina <jkosina@suse.cz>2012-11-29 14:59:40 +0100
commitae751fa82dd8e5a79932d6b55742e7e298afd733 (patch)
treeb944ccf5d9c694fbb74c88249a429cd0b9bf261a
parent13f19624029f43f5d0f98a96a9e6ba4d38da96a9 (diff)
HID: hid-input: factorize hid_input allocation
This just refactors the allocation of hid_input. No semantic changes. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com> Reviewed-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
-rw-r--r--drivers/hid/hid-input.c61
1 files changed, 34 insertions, 27 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 0887b52f804b..97c08c5d0973 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1154,6 +1154,38 @@ static void report_features(struct hid_device *hid)
}
}
+static struct hid_input *hidinput_allocate(struct hid_device *hid)
+{
+ struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
+ struct input_dev *input_dev = input_allocate_device();
+ if (!hidinput || !input_dev) {
+ kfree(hidinput);
+ input_free_device(input_dev);
+ hid_err(hid, "Out of memory during hid input probe\n");
+ return NULL;
+ }
+
+ input_set_drvdata(input_dev, hid);
+ input_dev->event = hid->ll_driver->hidinput_input_event;
+ input_dev->open = hidinput_open;
+ input_dev->close = hidinput_close;
+ input_dev->setkeycode = hidinput_setkeycode;
+ input_dev->getkeycode = hidinput_getkeycode;
+
+ input_dev->name = hid->name;
+ input_dev->phys = hid->phys;
+ input_dev->uniq = hid->uniq;
+ input_dev->id.bustype = hid->bus;
+ input_dev->id.vendor = hid->vendor;
+ input_dev->id.product = hid->product;
+ input_dev->id.version = hid->version;
+ input_dev->dev.parent = hid->dev.parent;
+ hidinput->input = input_dev;
+ list_add_tail(&hidinput->list, &hid->inputs);
+
+ return hidinput;
+}
+
/*
* Register the input device; print a message.
* Configure the input layer interface
@@ -1165,7 +1197,6 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
struct hid_driver *drv = hid->driver;
struct hid_report *report;
struct hid_input *hidinput = NULL;
- struct input_dev *input_dev;
int i, j, k;
INIT_LIST_HEAD(&hid->inputs);
@@ -1196,33 +1227,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
continue;
if (!hidinput) {
- hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!hidinput || !input_dev) {
- kfree(hidinput);
- input_free_device(input_dev);
- hid_err(hid, "Out of memory during hid input probe\n");
+ hidinput = hidinput_allocate(hid);
+ if (!hidinput)
goto out_unwind;
- }
-
- input_set_drvdata(input_dev, hid);
- input_dev->event =
- hid->ll_driver->hidinput_input_event;
- input_dev->open = hidinput_open;
- input_dev->close = hidinput_close;
- input_dev->setkeycode = hidinput_setkeycode;
- input_dev->getkeycode = hidinput_getkeycode;
-
- input_dev->name = hid->name;
- input_dev->phys = hid->phys;
- input_dev->uniq = hid->uniq;
- input_dev->id.bustype = hid->bus;
- input_dev->id.vendor = hid->vendor;
- input_dev->id.product = hid->product;
- input_dev->id.version = hid->version;
- input_dev->dev.parent = hid->dev.parent;
- hidinput->input = input_dev;
- list_add_tail(&hidinput->list, &hid->inputs);
}
for (i = 0; i < report->maxfield; i++)

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