nfs4_path() was parsing the path component by splitting on the first colon.
This is wrong when an IPv6 address is used to mount a server.
For example, having mounted 'fc00::10:/export', nfs4_path() returned
':10:/export'. This causes referrals (using IPv4 or IPv6 addresses) to fail
in nfs4_validate_fspath().
Parsing the path component by using the *last* colon works with
IPv6 as well as IPv4 addrs.
Signed-off-by: Weston Andros Adamson <dros@xxxxxxxxxx>
---
fs/nfs/nfs4namespace.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 9c8eca3..dd3dd30 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -59,7 +59,7 @@ static char *nfs4_path(struct dentry *dentry, char *buffer, ssize_t buflen)
char *limit;
char *path = nfs_path(&limit, dentry, buffer, buflen);
if (!IS_ERR(path)) {
- char *colon = strchr(path, ':');
+ char *colon = strrchr(path, ':');
if (colon && colon < limit)
path = colon + 1;
}
--
1.7.4.4
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