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Diffstat (limited to 'fs/lockd/svcproc.c')
-rw-r--r--fs/lockd/svcproc.c64
1 files changed, 33 insertions, 31 deletions
diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c
index 75b2c81bcb93..3707c3a23e93 100644
--- a/fs/lockd/svcproc.c
+++ b/fs/lockd/svcproc.c
@@ -22,8 +22,8 @@
#define NLMDBG_FACILITY NLMDBG_CLIENT
#ifdef CONFIG_LOCKD_V4
-static u32
-cast_to_nlm(u32 status, u32 vers)
+static __be32
+cast_to_nlm(__be32 status, u32 vers)
{
/* Note: status is assumed to be in network byte order !!! */
if (vers != 4){
@@ -52,14 +52,14 @@ cast_to_nlm(u32 status, u32 vers)
/*
* Obtain client and file from arguments
*/
-static u32
+static __be32
nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_host **hostp, struct nlm_file **filp)
{
struct nlm_host *host = NULL;
struct nlm_file *file = NULL;
struct nlm_lock *lock = &argp->lock;
- u32 error;
+ __be32 error = 0;
/* nfsd callbacks must have been installed for this procedure */
if (!nlmsvc_ops)
@@ -88,13 +88,15 @@ nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
no_locks:
if (host)
nlm_release_host(host);
+ if (error)
+ return error;
return nlm_lck_denied_nolocks;
}
/*
* NULL: Test for presence of service
*/
-static int
+static __be32
nlmsvc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
{
dprintk("lockd: NULL called\n");
@@ -104,7 +106,7 @@ nlmsvc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
/*
* TEST: Check for conflicting lock
*/
-static int
+static __be32
nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_res *resp)
{
@@ -122,7 +124,7 @@ nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp,
/* Obtain client and file */
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
- return rpc_success;
+ return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
/* Now check for conflicting locks */
resp->status = cast_status(nlmsvc_testlock(file, &argp->lock, &resp->lock));
@@ -134,7 +136,7 @@ nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp,
return rpc_success;
}
-static int
+static __be32
nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_res *resp)
{
@@ -153,7 +155,7 @@ nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
/* Obtain client and file */
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
- return rpc_success;
+ return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
#if 0
/* If supplied state doesn't match current state, we assume it's
@@ -177,7 +179,7 @@ nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
return rpc_success;
}
-static int
+static __be32
nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_res *resp)
{
@@ -196,7 +198,7 @@ nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp,
/* Obtain client and file */
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
- return rpc_success;
+ return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
/* Try to cancel request. */
resp->status = cast_status(nlmsvc_cancel_blocked(file, &argp->lock));
@@ -210,7 +212,7 @@ nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp,
/*
* UNLOCK: release a lock
*/
-static int
+static __be32
nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_res *resp)
{
@@ -229,7 +231,7 @@ nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp,
/* Obtain client and file */
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
- return rpc_success;
+ return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
/* Now try to remove the lock */
resp->status = cast_status(nlmsvc_unlock(file, &argp->lock));
@@ -244,7 +246,7 @@ nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp,
* GRANTED: A server calls us to tell that a process' lock request
* was granted
*/
-static int
+static __be32
nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_res *resp)
{
@@ -261,7 +263,7 @@ nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp,
*/
static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
{
- dprintk("lockd: %4d callback returned %d\n", task->tk_pid,
+ dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
-task->tk_status);
}
@@ -280,12 +282,12 @@ static const struct rpc_call_ops nlmsvc_callback_ops = {
* because we send the callback before the reply proper. I hope this
* doesn't break any clients.
*/
-static int nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp,
- int (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *))
+static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp,
+ __be32 (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *))
{
struct nlm_host *host;
struct nlm_rqst *call;
- int stat;
+ __be32 stat;
host = nlmsvc_lookup_host(rqstp,
argp->lock.caller,
@@ -309,28 +311,28 @@ static int nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *ar
return rpc_success;
}
-static int nlmsvc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
+static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
void *resp)
{
dprintk("lockd: TEST_MSG called\n");
return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, argp, nlmsvc_proc_test);
}
-static int nlmsvc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
+static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
void *resp)
{
dprintk("lockd: LOCK_MSG called\n");
return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, argp, nlmsvc_proc_lock);
}
-static int nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
+static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
void *resp)
{
dprintk("lockd: CANCEL_MSG called\n");
return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, argp, nlmsvc_proc_cancel);
}
-static int
+static __be32
nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
void *resp)
{
@@ -338,7 +340,7 @@ nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, argp, nlmsvc_proc_unlock);
}
-static int
+static __be32
nlmsvc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
void *resp)
{
@@ -349,7 +351,7 @@ nlmsvc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp,
/*
* SHARE: create a DOS share or alter existing share.
*/
-static int
+static __be32
nlmsvc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_res *resp)
{
@@ -368,7 +370,7 @@ nlmsvc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp,
/* Obtain client and file */
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
- return rpc_success;
+ return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
/* Now try to create the share */
resp->status = cast_status(nlmsvc_share_file(host, file, argp));
@@ -382,7 +384,7 @@ nlmsvc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp,
/*
* UNSHARE: Release a DOS share.
*/
-static int
+static __be32
nlmsvc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_res *resp)
{
@@ -401,7 +403,7 @@ nlmsvc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp,
/* Obtain client and file */
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
- return rpc_success;
+ return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
/* Now try to unshare the file */
resp->status = cast_status(nlmsvc_unshare_file(host, file, argp));
@@ -415,7 +417,7 @@ nlmsvc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp,
/*
* NM_LOCK: Create an unmonitored lock
*/
-static int
+static __be32
nlmsvc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_res *resp)
{
@@ -428,7 +430,7 @@ nlmsvc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp,
/*
* FREE_ALL: Release all locks and shares held by client
*/
-static int
+static __be32
nlmsvc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp,
void *resp)
{
@@ -446,7 +448,7 @@ nlmsvc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp,
/*
* SM_NOTIFY: private callback from statd (not part of official NLM proto)
*/
-static int
+static __be32
nlmsvc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
void *resp)
{
@@ -475,7 +477,7 @@ nlmsvc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
/*
* client sent a GRANTED_RES, let's remove the associated block
*/
-static int
+static __be32
nlmsvc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp,
void *resp)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.