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authorNeilBrown <neilb@suse.de>2020-05-22 12:01:33 +1000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-06-20 10:23:24 +0200
commit621ad7bb8b0b738fe396c14978dbbfd8888cba29 (patch)
treef110a68f0fa0eb737c8e444dcf736d3d05cc4eba /include
parenta90eab8228384e21c0b649d664a9bc0bff5c9f92 (diff)
sunrpc: clean up properly in gss_mech_unregister()
commit 24c5efe41c29ee3e55bcf5a1c9f61ca8709622e8 upstream. gss_mech_register() calls svcauth_gss_register_pseudoflavor() for each flavour, but gss_mech_unregister() does not call auth_domain_put(). This is unbalanced and makes it impossible to reload the module. Change svcauth_gss_register_pseudoflavor() to return the registered auth_domain, and save it for later release. Cc: stable@vger.kernel.org (v2.6.12+) Link: https://bugzilla.kernel.org/show_bug.cgi?id=206651 Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sunrpc/gss_api.h1
-rw-r--r--include/linux/sunrpc/svcauth_gss.h3
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index 1f911ccb2a75..4e8a8120f2a0 100644
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -81,6 +81,7 @@ struct pf_desc {
u32 service;
char *name;
char *auth_domain_name;
+ struct auth_domain *domain;
};
/* Different mechanisms (e.g., krb5 or spkm3) may implement gss-api, and
diff --git a/include/linux/sunrpc/svcauth_gss.h b/include/linux/sunrpc/svcauth_gss.h
index 726aff1a5201..213fa12f56fc 100644
--- a/include/linux/sunrpc/svcauth_gss.h
+++ b/include/linux/sunrpc/svcauth_gss.h
@@ -20,7 +20,8 @@ int gss_svc_init(void);
void gss_svc_shutdown(void);
int gss_svc_init_net(struct net *net);
void gss_svc_shutdown_net(struct net *net);
-int svcauth_gss_register_pseudoflavor(u32 pseudoflavor, char * name);
+struct auth_domain *svcauth_gss_register_pseudoflavor(u32 pseudoflavor,
+ char *name);
u32 svcauth_gss_flavor(struct auth_domain *dom);
#endif /* __KERNEL__ */