Commit f95719b0 authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Takashi Iwai
Browse files

ALSA: usb: fcp: Fix hwdep read ops types 



The FCP driver defined hwdep read function with ssize_t, but it should
be long due to historical reason.  This caused build errors on 32bit
archs.

Fixes: 46757a3e ("ALSA: FCP: Add Focusrite Control Protocol driver")
Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Link: https://patch.msgid.link/20250120145617.07945574@canb.auug.org.au


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 0ce204d3

sound/usb/fcp.c

+3 −3
Original line number Diff line number Diff line
@@ -815,13 +815,13 @@ static int fcp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, 
	/* not reached */

}



static ssize_t fcp_hwdep_read(struct snd_hwdep *hw, char __user *buf,

			      ssize_t count, loff_t *offset)

static long fcp_hwdep_read(struct snd_hwdep *hw, char __user *buf,

			   long count, loff_t *offset)

{

	struct usb_mixer_interface *mixer = hw->private_data;

	struct fcp_data *private = mixer->private_data;

	unsigned long flags;

	ssize_t ret = 0;

	long ret = 0;

	u32 event;



	if (count < sizeof(event))