umount.nfs has to detect the correct address family to use when
looking up the server.
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
utils/mount/nfsumount.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/utils/mount/nfsumount.c b/utils/mount/nfsumount.c
index c5505b1..9d798a2 100644
--- a/utils/mount/nfsumount.c
+++ b/utils/mount/nfsumount.c
@@ -169,10 +169,15 @@ out:
static int nfs_umount_do_umnt(struct mount_options *options,
char **hostname, char **dirname)
{
- struct sockaddr_storage address;
- struct sockaddr *sap = (struct sockaddr *)&address;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in s4;
+ struct sockaddr_in6 s6;
+ } address;
+ struct sockaddr *sap = &address.sa;
socklen_t salen = sizeof(address);
struct pmap nfs_pmap, mnt_pmap;
+ sa_family_t family;
if (!nfs_options2pmap(options, &nfs_pmap, &mnt_pmap)) {
nfs_error(_("%s: bad mount options"), progname);
@@ -189,8 +194,10 @@ static int nfs_umount_do_umnt(struct mount_options *options,
return EX_FAIL;
}
- if (nfs_name_to_address(*hostname, sap, &salen) == 0)
- /* nfs_name_to_address reports any errors */
+ if (!nfs_mount_proto_family(options, &family))
+ return 0;
+ if (!nfs_lookup(*hostname, family, sap, &salen))
+ /* nfs_lookup reports any errors */
return EX_FAIL;
if (nfs_advise_umount(sap, salen, &mnt_pmap, dirname) == 0)
--
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