[PATCH] knfsd: svcrpc: gss: simplify rsc_parse()
Adopt a simpler convention for gss_mech_put(), to simplify rsc_parse().
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index f8bac6c..d88468d 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -224,7 +224,8 @@
void
gss_mech_put(struct gss_api_mech * gm)
{
- module_put(gm->gm_owner);
+ if (gm)
+ module_put(gm->gm_owner);
}
EXPORT_SYMBOL(gss_mech_put);
@@ -307,8 +308,7 @@
(*context_handle)->mech_type->gm_ops
->gss_delete_sec_context((*context_handle)
->internal_ctx_id);
- if ((*context_handle)->mech_type)
- gss_mech_put((*context_handle)->mech_type);
+ gss_mech_put((*context_handle)->mech_type);
kfree(*context_handle);
*context_handle=NULL;
return GSS_S_COMPLETE;
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index d51e316..71f57a5 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -425,6 +425,7 @@
struct rsc rsci, *rscp = NULL;
time_t expiry;
int status = -EINVAL;
+ struct gss_api_mech *gm = NULL;
memset(&rsci, 0, sizeof(rsci));
/* context handle */
@@ -453,7 +454,6 @@
set_bit(CACHE_NEGATIVE, &rsci.h.flags);
else {
int N, i;
- struct gss_api_mech *gm;
/* gid */
if (get_int(&mesg, &rsci.cred.cr_gid))
@@ -488,21 +488,17 @@
status = -EINVAL;
/* mech-specific data: */
len = qword_get(&mesg, buf, mlen);
- if (len < 0) {
- gss_mech_put(gm);
+ if (len < 0)
goto out;
- }
status = gss_import_sec_context(buf, len, gm, &rsci.mechctx);
- if (status) {
- gss_mech_put(gm);
+ if (status)
goto out;
- }
- gss_mech_put(gm);
}
rsci.h.expiry_time = expiry;
rscp = rsc_update(&rsci, rscp);
status = 0;
out:
+ gss_mech_put(gm);
rsc_free(&rsci);
if (rscp)
cache_put(&rscp->h, &rsc_cache);