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cifs: have cifs parse scope_id out of IPv6 addresses and use it

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This patch has CIFS look for a '%' in an IPv6 address. If one is
present then it will try to treat that value as a numeric interface
index suitable for stuffing into the sin6_scope_id field.

This should allow people to mount servers on IPv6 link-local addresses.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: David Holder <david@erion.co.uk>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2009-06-11 10:27:31 -04:00 • committed by Steve French
parent 268875b9d1
commit 681bf72e48
3 changed files with 33 additions and 9 deletions
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4
fs/cifs/dns_resolve.c
View file

@ -35,7 +35,7 @@
* 0 - name is not IP
*/
static int
is_ip(const char *name)
is_ip(char *name)
{
struct sockaddr_storage ss;
@ -57,7 +57,7 @@ dns_resolver_instantiate(struct key *key, const void *data,
ip[datalen] = '\0';
/* make sure this looks like an address */
if (!is_ip((const char *) ip)) {
if (!is_ip(ip)) {
kfree(ip);
return -EINVAL;
}