HID: the `bit' in hidinput_mapping_quirks() is an out parameter
Fix a panic, by changing hidinput_mapping_quirks(,, unsigned long *bit,) to hidinput_mapping_quirks(,, unsigned long **bit,) The `bit' in this function is an out parameter. Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -16,16 +16,16 @@
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#include <linux/input.h>
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#include <linux/hid.h>
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#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; *max = ABS_MAX; } while (0)
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#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; *max = REL_MAX; } while (0)
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#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; *max = KEY_MAX; } while (0)
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#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; *max = LED_MAX; } while (0)
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#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; *bit = input->absbit; *max = ABS_MAX; } while (0)
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#define map_rel(c) do { usage->code = c; usage->type = EV_REL; *bit = input->relbit; *max = REL_MAX; } while (0)
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#define map_key(c) do { usage->code = c; usage->type = EV_KEY; *bit = input->keybit; *max = KEY_MAX; } while (0)
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#define map_led(c) do { usage->code = c; usage->type = EV_LED; *bit = input->ledbit; *max = LED_MAX; } while (0)
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#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
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#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
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#define map_abs_clear(c) do { map_abs(c); clear_bit(c, *bit); } while (0)
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#define map_key_clear(c) do { map_key(c); clear_bit(c, *bit); } while (0)
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static int quirk_belkin_wkbd(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
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return 0;
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@ -41,7 +41,7 @@ static int quirk_belkin_wkbd(struct hid_usage *usage, struct input_dev *input,
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}
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static int quirk_cherry_cymotion(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
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return 0;
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@ -57,7 +57,7 @@ static int quirk_cherry_cymotion(struct hid_usage *usage, struct input_dev *inpu
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}
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static int quirk_logitech_ultrax_remote(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
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return 0;
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@ -90,7 +90,7 @@ static int quirk_logitech_ultrax_remote(struct hid_usage *usage, struct input_de
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}
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static int quirk_chicony_tactical_pad(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
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return 0;
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@ -115,7 +115,7 @@ static int quirk_chicony_tactical_pad(struct hid_usage *usage, struct input_dev
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}
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static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
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return 0;
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@ -138,7 +138,7 @@ static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage, struct input_dev
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}
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static int quirk_microsoft_presenter_8k(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
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return 0;
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@ -156,7 +156,7 @@ static int quirk_microsoft_presenter_8k(struct hid_usage *usage, struct input_de
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}
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static int quirk_petalynx_remote(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if (((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) &&
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((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER))
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@ -184,7 +184,7 @@ static int quirk_petalynx_remote(struct hid_usage *usage, struct input_dev *inpu
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}
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static int quirk_logitech_wireless(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
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return 0;
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@ -236,7 +236,7 @@ static int quirk_logitech_wireless(struct hid_usage *usage, struct input_dev *in
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}
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static int quirk_cherry_genius_29e(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
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return 0;
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@ -254,7 +254,7 @@ static int quirk_cherry_genius_29e(struct hid_usage *usage, struct input_dev *in
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}
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static int quirk_btc_8193(struct hid_usage *usage, struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
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return 0;
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@ -307,7 +307,7 @@ static int quirk_btc_8193(struct hid_usage *usage, struct input_dev *input,
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static const struct hid_input_blacklist {
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__u16 idVendor;
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__u16 idProduct;
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int (*quirk)(struct hid_usage *, struct input_dev *, unsigned long *, int *);
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int (*quirk)(struct hid_usage *, struct input_dev *, unsigned long **, int *);
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} hid_input_blacklist[] = {
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{ VENDOR_ID_BELKIN, DEVICE_ID_BELKIN_WIRELESS_KEYBOARD, quirk_belkin_wkbd },
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@ -335,7 +335,7 @@ static const struct hid_input_blacklist {
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int hidinput_mapping_quirks(struct hid_usage *usage,
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struct input_dev *input,
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unsigned long *bit, int *max)
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unsigned long **bit, int *max)
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{
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struct hid_device *device = input_get_drvdata(input);
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int i = 0;
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@ -382,7 +382,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
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}
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/* handle input mappings for quirky devices */
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ret = hidinput_mapping_quirks(usage, input, bit, &max);
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ret = hidinput_mapping_quirks(usage, input, &bit, &max);
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if (ret)
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goto mapped;
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@ -526,7 +526,7 @@ extern void hidinput_disconnect(struct hid_device *);
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int hid_set_field(struct hid_field *, unsigned, __s32);
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int hid_input_report(struct hid_device *, int type, u8 *, int, int);
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int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
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int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned long *, int *);
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int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned long **, int *);
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void hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
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int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32);
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void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt);
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