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Commit a69755b1 authored by Al Viro's avatar Al Viro
Browse files

xtensa simdisk: switch to proc_create_data() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 78846ce6

arch/xtensa/platforms/iss/simdisk.c

+23 −13
Original line number Diff line number Diff line
@@ -214,20 +214,27 @@ static int simdisk_detach(struct simdisk *dev) 
	return err;

}



static int proc_read_simdisk(char *page, char **start, off_t off,

		int count, int *eof, void *data)

static ssize_t proc_read_simdisk(struct file *file, char __user *buf,

			size_t size, loff_t *ppos)

{

	int len;

	struct simdisk *dev = (struct simdisk *) data;

	len = sprintf(page, "%s\n", dev->filename ? dev->filename : "");

	return len;

	struct simdisk *dev = PDE(file_inode(file))->data;

	char *s = dev->filename;

	if (s) {

		ssize_t n = simple_read_from_buffer(buf, size, ppos,

							s, strlen(s));

		if (n < 0)

			return n;

		buf += n;

		size -= n;

	}

	return simple_read_from_buffer(buf, size, ppos, "\n", 1);

}



static int proc_write_simdisk(struct file *file, const char *buffer,

		unsigned long count, void *data)

static ssize_t proc_write_simdisk(struct file *file, const char __user *buf,

			size_t size, loff_t *ppos)

{

	char *tmp = kmalloc(count + 1, GFP_KERNEL);

	struct simdisk *dev = (struct simdisk *) data;

	struct simdisk *dev = PDE(file_inode(file))->data;

	int err;



	if (tmp == NULL)
@@ -256,6 +263,12 @@ static int proc_write_simdisk(struct file *file, const char *buffer, 
	return err;

}



static const struct file_operations fops = {

	.read = proc_read_simdisk,

	.write = proc_write_simdisk,

	.llseek = default_llseek,

};



static int __init simdisk_setup(struct simdisk *dev, int which,

		struct proc_dir_entry *procdir)

{
@@ -289,10 +302,7 @@ static int __init simdisk_setup(struct simdisk *dev, int which, 
	set_capacity(dev->gd, 0);

	add_disk(dev->gd);



	dev->procfile = create_proc_entry(tmp, 0644, procdir);

	dev->procfile->data = dev;

	dev->procfile->read_proc = proc_read_simdisk;

	dev->procfile->write_proc = proc_write_simdisk;

	dev->procfile = proc_create_data(tmp, 0644, procdir, &fops, dev);

	return 0;



out_alloc_disk: