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Commit 7c950992 authored by Richard Weinberger's avatar Richard Weinberger
Browse files

hostfs: Use __getname() in follow_link 



Be consistent with all other functions in hostfs and just
use __getname().

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent c278e81b

fs/hostfs/hostfs_kern.c

+11 −14
Original line number Diff line number Diff line
@@ -142,21 +142,19 @@ static char *follow_link(char *link) 
	int len, n;

	char *name, *resolved, *end;



	len = 64;

	while (1) {

	name = __getname();

	if (!name) {

		n = -ENOMEM;

		name = kmalloc(len, GFP_KERNEL);

		if (name == NULL)

			goto out;



		n = hostfs_do_readlink(link, name, len);

		if (n < len)

			break;

		len *= 2;

		kfree(name);

		goto out_free;

	}



	n = hostfs_do_readlink(link, name, PATH_MAX);

	if (n < 0)

		goto out_free;

	else if (n == PATH_MAX) {

		n = -E2BIG;

		goto out_free;

	}



	if (*name == '/')

		return name;
@@ -175,13 +173,12 @@ static char *follow_link(char *link) 
	}



	sprintf(resolved, "%s%s", link, name);

	kfree(name);

	__putname(name);

	kfree(link);

	return resolved;



 out_free:

	kfree(name);

 out:

	__putname(name);

	return ERR_PTR(n);

}