[RFC][PATCH v3 1/4] alsa: jack: implement software jack injection via debugfs

Jaroslav Kysela perex at perex.cz
Mon Jan 4 16:20:29 CET 2021


Dne 28. 12. 20 v 9:00 Hui Wang napsal(a):

> +static ssize_t sw_inject_enable_write(struct file *file,
> +				      const char __user *from, size_t count, loff_t *ppos)
> +{
> +	struct snd_jack_kctl *jack_kctl = file->private_data;
> +	char *buf;
> +	int ret, err;
> +	unsigned long enable;
> +
> +	buf = kzalloc(count, GFP_KERNEL);

Debugfs fops allocations should use kvzalloc() / kvfree().

					Jaroslav

-- 
Jaroslav Kysela <perex at perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.


More information about the Alsa-devel mailing list