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Fix some error handling cases.

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This commit is contained in:
justin 2014-11-08 21:27:04 +00:00
parent 5cd8daf798
commit 1e44adf395
1 changed files with 7 additions and 2 deletions
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9
lib/librumpuser/rumpfiber.c
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@ -1,4 +1,4 @@
/* $NetBSD: rumpfiber.c,v 1.5 2014/11/05 01:39:40 pooka Exp $ */ /* $NetBSD: rumpfiber.c,v 1.6 2014/11/08 21:27:04 justin Exp $ */
/* /*
* Copyright (c) 2007-2013 Antti Kantee. All Rights Reserved. * Copyright (c) 2007-2013 Antti Kantee. All Rights Reserved.
@ -68,7 +68,7 @@
#include "rumpuser_port.h" #include "rumpuser_port.h"
#if !defined(lint) #if !defined(lint)
__RCSID("$NetBSD: rumpfiber.c,v 1.5 2014/11/05 01:39:40 pooka Exp $"); __RCSID("$NetBSD: rumpfiber.c,v 1.6 2014/11/08 21:27:04 justin Exp $");
#endif /* !lint */ #endif /* !lint */
#include <sys/ioctl.h> #include <sys/ioctl.h>
@ -199,11 +199,16 @@ create_thread(const char *name, void *cookie, void (*f)(void *), void *data,
{ {
struct thread *thread = calloc(1, sizeof(struct thread)); struct thread *thread = calloc(1, sizeof(struct thread));
if (!thread) {
return NULL;
}
if (!stack) { if (!stack) {
assert(stack_size == 0); assert(stack_size == 0);
stack = mmap(NULL, STACKSIZE, PROT_READ | PROT_WRITE, stack = mmap(NULL, STACKSIZE, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANON, -1, 0); MAP_SHARED | MAP_ANON, -1, 0);
if (stack == MAP_FAILED) { if (stack == MAP_FAILED) {
free(thread);
return NULL; return NULL;
} }
stack_size = STACKSIZE; stack_size = STACKSIZE;