From 296726319289f0d5ff9b6d1cc039fbab4d413b98 Mon Sep 17 00:00:00 2001 From: "Geoffrey D. Bennett" Date: Mon, 21 Jun 2021 02:16:48 +0930 Subject: [PATCH] ALSA: usb-audio: scarlett2: Don't copy struct scarlett2_config scarlett2_usb_set_config() and scarlett2_usb_get_config() were copying struct scarlett2_config. Use a pointer instead. Signed-off-by: Geoffrey D. Bennett Link: https://lore.kernel.org/r/20210620164648.GA9231@m.b4.vu Signed-off-by: Takashi Iwai --- sound/usb/mixer_scarlett_gen2.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 49c4662531a3..45fd540920b9 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -706,8 +706,8 @@ static int scarlett2_usb_set_config( struct usb_mixer_interface *mixer, int config_item_num, int index, int value) { - const struct scarlett2_config config_item = - scarlett2_config_items[config_item_num]; + const struct scarlett2_config *config_item = + &scarlett2_config_items[config_item_num]; struct { __le32 offset; __le32 bytes; @@ -721,17 +721,17 @@ static int scarlett2_usb_set_config( cancel_delayed_work_sync(&private->work); /* Send the configuration parameter data */ - req.offset = cpu_to_le32(config_item.offset + index * config_item.size); - req.bytes = cpu_to_le32(config_item.size); + req.offset = cpu_to_le32(config_item->offset + index * config_item->size); + req.bytes = cpu_to_le32(config_item->size); req.value = cpu_to_le32(value); err = scarlett2_usb(mixer, SCARLETT2_USB_SET_DATA, - &req, sizeof(u32) * 2 + config_item.size, + &req, sizeof(u32) * 2 + config_item->size, NULL, 0); if (err < 0) return err; /* Activate the change */ - req2 = cpu_to_le32(config_item.activate); + req2 = cpu_to_le32(config_item->activate); err = scarlett2_usb(mixer, SCARLETT2_USB_DATA_CMD, &req2, sizeof(req2), NULL, 0); if (err < 0) @@ -764,11 +764,11 @@ static int scarlett2_usb_get_config( struct usb_mixer_interface *mixer, int config_item_num, int count, void *buf) { - const struct scarlett2_config config_item = - scarlett2_config_items[config_item_num]; - int size = config_item.size * count; + const struct scarlett2_config *config_item = + &scarlett2_config_items[config_item_num]; + int size = config_item->size * count; - return scarlett2_usb_get(mixer, config_item.offset, buf, size); + return scarlett2_usb_get(mixer, config_item->offset, buf, size); } /* Send a USB message to get volume status; result placed in *buf */