Coverity fixes

(cherry picked from commit 3fc85d22590550f0539215d020e4411bf5b14363)

4 files changed, 20 insertions, 14 deletions

diff --git a/source/rpc_server/srv_pipe.c b/source/rpc_server/srv_pipe.c
index 19c8db05335..6c1b65b858b 100644
--- a/source/rpc_server/srv_pipe.c
+++ b/source/rpc_server/srv_pipe.c
@@ -151,7 +151,7 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
 	 * data.
 	 */
 
-	prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty( &outgoing_pdu, p->mem_ctx, MARSHALL);
 	prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
 
 	/* Store the header in the data stream. */
@@ -358,7 +358,7 @@ static bool create_next_pdu_schannel(pipes_struct *p)
 	 * data.
 	 */
 
-	prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty( &outgoing_pdu, p->mem_ctx, MARSHALL);
 	prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
 
 	/* Store the header in the data stream. */
@@ -531,7 +531,7 @@ static bool create_next_pdu_noauth(pipes_struct *p)
 	 * data.
 	 */
 
-	prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty( &outgoing_pdu, p->mem_ctx, MARSHALL);
 	prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
 
 	/* Store the header in the data stream. */
@@ -812,7 +812,7 @@ static bool setup_bind_nak(pipes_struct *p)
 	 * header and are never sending more than one PDU here.
 	 */
 
-	prs_init( &outgoing_rpc, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty( &outgoing_rpc, p->mem_ctx, MARSHALL);
 	prs_give_memory( &outgoing_rpc, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
 
 	/*
@@ -875,7 +875,7 @@ bool setup_fault_pdu(pipes_struct *p, NTSTATUS status)
 	 * header and are never sending more than one PDU here.
 	 */
 
-	prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty( &outgoing_pdu, p->mem_ctx, MARSHALL);
 	prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
 
 	/*
@@ -944,7 +944,7 @@ bool setup_cancel_ack_reply(pipes_struct *p, prs_struct *rpc_in_p)
 	 * header and are never sending more than one PDU here.
 	 */
 
-	prs_init( &outgoing_pdu, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty( &outgoing_pdu, p->mem_ctx, MARSHALL);
 	prs_give_memory( &outgoing_pdu, (char *)p->out_data.current_pdu, sizeof(p->out_data.current_pdu), False);
 
 	/*
@@ -1522,7 +1522,7 @@ bool api_pipe_bind_req(pipes_struct *p, prs_struct *rpc_in_p)
 		return setup_bind_nak(p);
 	}
 
-	prs_init( &outgoing_rpc, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty( &outgoing_rpc, p->mem_ctx, MARSHALL);
 
 	/* 
 	 * Marshall directly into the outgoing PDU space. We
@@ -1794,7 +1794,7 @@ bool api_pipe_alter_context(pipes_struct *p, prs_struct *rpc_in_p)
 	prs_struct outgoing_rpc;
 	int auth_len = 0;
 
-	prs_init( &outgoing_rpc, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty( &outgoing_rpc, p->mem_ctx, MARSHALL);
 
 	/* 
 	 * Marshall directly into the outgoing PDU space. We
diff --git a/source/rpc_server/srv_pipe_hnd.c b/source/rpc_server/srv_pipe_hnd.c
index 95ce496ba60..45f649d0cea 100644
--- a/source/rpc_server/srv_pipe_hnd.c
+++ b/source/rpc_server/srv_pipe_hnd.c
@@ -348,7 +348,7 @@ static void *make_internal_rpc_pipe_p(const char *pipe_name,
 	/*
 	 * Initialize the outgoing RPC data buffer with no memory.
 	 */	
-	prs_init(&p->out_data.rdata, 0, p->mem_ctx, MARSHALL);
+	prs_init_empty(&p->out_data.rdata, p->mem_ctx, MARSHALL);
 	
 	fstrcpy(p->name, pipe_name);
 	
@@ -408,7 +408,7 @@ static ssize_t unmarshall_rpc_header(pipes_struct *p)
 		return -1;
 	}
 
-	prs_init( &rpc_in, 0, p->mem_ctx, UNMARSHALL);
+	prs_init_empty( &rpc_in, p->mem_ctx, UNMARSHALL);
 	prs_set_endian_data( &rpc_in, p->endian);
 
 	prs_give_memory( &rpc_in, (char *)&p->in_data.current_in_pdu[0],
@@ -693,7 +693,7 @@ static void process_complete_pdu(pipes_struct *p)
 		return;
 	}
 
-	prs_init( &rpc_in, 0, p->mem_ctx, UNMARSHALL);
+	prs_init_empty( &rpc_in, p->mem_ctx, UNMARSHALL);
 
 	/*
 	 * Ensure we're using the corrent endianness for both the 
diff --git a/source/rpc_server/srv_spoolss_nt.c b/source/rpc_server/srv_spoolss_nt.c
index 3758c8fd63e..403beb6782b 100644
--- a/source/rpc_server/srv_spoolss_nt.c
+++ b/source/rpc_server/srv_spoolss_nt.c
@@ -6033,7 +6033,11 @@ static WERROR update_printer_sec(POLICY_HND *handle, uint32 level,
 	/* NT seems to like setting the security descriptor even though
 	   nothing may have actually changed. */
 
-	nt_printing_getsec(p->mem_ctx, Printer->sharename, &old_secdesc_ctr);
+	if ( !nt_printing_getsec(p->mem_ctx, Printer->sharename, &old_secdesc_ctr)) {
+		DEBUG(2,("update_printer_sec: nt_printing_getsec() failed\n"));
+		result = WERR_BADFID;
+		goto done;
+	}
 
 	if (DEBUGLEVEL >= 10) {
 		SEC_ACL *the_acl;
diff --git a/source/rpc_server/srv_winreg_nt.c b/source/rpc_server/srv_winreg_nt.c
index 7ff93e0b07e..77c2513dfe2 100644
--- a/source/rpc_server/srv_winreg_nt.c
+++ b/source/rpc_server/srv_winreg_nt.c
@@ -239,7 +239,8 @@ WERROR _winreg_QueryValue(pipes_struct *p, struct winreg_QueryValue *r)
 	if(regkey->key->type == REG_KEY_HKPD) 
 	{
 		if(strequal(r->in.value_name.name, "Global"))	{
-			prs_init(&prs_hkpd, *r->in.data_size, p->mem_ctx, MARSHALL);
+			if (!prs_init(&prs_hkpd, *r->in.data_size, p->mem_ctx, MARSHALL))
+				return WERR_NOMEM;
 			status = reg_perfcount_get_hkpd(
 				&prs_hkpd, *r->in.data_size, &outbuf_size, NULL);
 			outbuf = (uint8_t *)prs_hkpd.data_p;
@@ -260,7 +261,8 @@ WERROR _winreg_QueryValue(pipes_struct *p, struct winreg_QueryValue *r)
 		else if(isdigit(r->in.value_name.name[0])) {
 			/* we probably have a request for a specific object
 			 * here */
-			prs_init(&prs_hkpd, *r->in.data_size, p->mem_ctx, MARSHALL);
+			if (!prs_init(&prs_hkpd, *r->in.data_size, p->mem_ctx, MARSHALL))
+				return WERR_NOMEM;
 			status = reg_perfcount_get_hkpd(
 				&prs_hkpd, *r->in.data_size, &outbuf_size,
 				r->in.value_name.name);