Fix warnings in preparation for adding -Wall -Wcast-qual to the

    kernel compile

8 files changed, 61 insertions, 61 deletions

diff --git a/sys/i386/ibcs2/ibcs2_ioctl.c b/sys/i386/ibcs2/ibcs2_ioctl.c
index e285071..e0f3824 100644
--- a/sys/i386/ibcs2/ibcs2_ioctl.c
+++ b/sys/i386/ibcs2/ibcs2_ioctl.c
@@ -508,7 +508,7 @@ ibcs2_ioctl(p, uap)
 
 		SCARG(&sa, pid) = 0;
 		SCARG(&sa, pgid) = (int)SCARG(uap, data);
-		if (error = setpgid(p, &sa))
+		if ((error = setpgid(p, &sa)) != 0)
 			return error;
 		return 0;
 	    }
diff --git a/sys/i386/ibcs2/ibcs2_misc.c b/sys/i386/ibcs2/ibcs2_misc.c
index c2b1a55..6cbb575 100644
--- a/sys/i386/ibcs2/ibcs2_misc.c
+++ b/sys/i386/ibcs2/ibcs2_misc.c
@@ -45,7 +45,7 @@
  *
  *	@(#)sun_misc.c	8.1 (Berkeley) 6/18/93
  *
- * $Id: ibcs2_misc.c,v 1.29 1998/08/17 18:12:52 bde Exp $
+ * $Id: ibcs2_misc.c,v 1.30 1998/09/26 00:55:53 des Exp $
  */
 
 /*
@@ -346,7 +346,7 @@ again:
 	 * First we read into the malloc'ed buffer, then
 	 * we massage it into user space, one record at a time.
 	 */
-	if (error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies))
+	if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) != 0)
 		goto out;
 	inp = buf;
 	outp = SCARG(uap, buf);
@@ -454,7 +454,7 @@ ibcs2_read(p, uap)
 	u_long *cookies = NULL, *cookiep;
 	int ncookies;
 
-	if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) {
+	if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) {
 		if (error == EINVAL)
 			return read(p, (struct read_args *)uap);
 		else
@@ -493,7 +493,7 @@ again:
 	 * First we read into the malloc'ed buffer, then
 	 * we massage it into user space, one record at a time.
 	 */
-	if (error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) {
+	if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) != 0) {
 		DPRINTF(("VOP_READDIR failed: %d\n", error));
 		goto out;
 	}
@@ -556,7 +556,7 @@ again:
 			BSD_DIRENT(inp)->d_fileno;
 		(void)copystr(BSD_DIRENT(inp)->d_name, idb.name, 14, &size);
 		bzero(idb.name + size, 14 - size);
-		if (error = copyout(&idb, outp, sizeof(struct ibcs2_direct)))
+		if ((error = copyout(&idb, outp, sizeof(struct ibcs2_direct))) != 0)
 			goto out;
 		/* advance past this real entry */
 		if (cookiep) {
@@ -623,7 +623,7 @@ ibcs2_getgroups(p, uap)
 		iset = stackgap_alloc(&sg, SCARG(uap, gidsetsize) *
 				      sizeof(ibcs2_gid_t));
 	}
-	if (error = getgroups(p, &sa))
+	if ((error = getgroups(p, &sa)) != 0)
 		return error;
 	if (SCARG(uap, gidsetsize) == 0)
 		return 0;
@@ -654,9 +654,9 @@ ibcs2_setgroups(p, uap)
 	iset = stackgap_alloc(&sg, SCARG(&sa, gidsetsize) *
 			      sizeof(ibcs2_gid_t *));
 	if (SCARG(&sa, gidsetsize)) {
-		if (error = copyin((caddr_t)SCARG(uap, gidset), (caddr_t)iset, 
+		if ((error = copyin((caddr_t)SCARG(uap, gidset), (caddr_t)iset, 
 				   sizeof(ibcs2_gid_t *) *
-				   SCARG(uap, gidsetsize)))
+				   SCARG(uap, gidsetsize))) != 0)
 			return error;
 	}
 	for (i = 0, gp = SCARG(&sa, gidset); i < SCARG(&sa, gidsetsize); i++)
@@ -740,7 +740,7 @@ ibcs2_sysconf(p, uap)
 
 		SCARG(&ga, which) = RLIMIT_NPROC;
 		SCARG(&ga, rlp) = stackgap_alloc(&sg, sizeof(struct rlimit *));
-		if (error = getrlimit(p, &ga))
+		if ((error = getrlimit(p, &ga)) != 0)
 			return error;
 		p->p_retval[0] = SCARG(&ga, rlp)->rlim_cur;
 		return 0;
@@ -760,7 +760,7 @@ ibcs2_sysconf(p, uap)
 
 		SCARG(&ga, which) = RLIMIT_NOFILE;
 		SCARG(&ga, rlp) = stackgap_alloc(&sg, sizeof(struct rlimit *));
-		if (error = getrlimit(p, &ga))
+		if ((error = getrlimit(p, &ga)) != 0)
 			return error;
 		p->p_retval[0] = SCARG(&ga, rlp)->rlim_cur;
 		return 0;
@@ -798,7 +798,7 @@ ibcs2_sysconf(p, uap)
 	SCARG(&sa, oldlenp) = &len;
 	SCARG(&sa, new) = NULL;
 	SCARG(&sa, newlen) = 0;
-	if (error = __sysctl(p, &sa))
+	if ((error = __sysctl(p, &sa)) != 0)
 		return error;
 	p->p_retval[0] = value;
 	return 0;
@@ -878,11 +878,11 @@ ibcs2_stime(p, uap)
 
 	SCARG(&sa, tv) = stackgap_alloc(&sg, sizeof(*SCARG(&sa, tv)));
 	SCARG(&sa, tzp) = NULL;
-	if (error = copyin((caddr_t)SCARG(uap, timep),
-			   &(SCARG(&sa, tv)->tv_sec), sizeof(long)))
+	if ((error = copyin((caddr_t)SCARG(uap, timep),
+			   &(SCARG(&sa, tv)->tv_sec), sizeof(long))) != 0)
 		return error;
 	SCARG(&sa, tv)->tv_usec = 0;
-	if (error = settimeofday(p, &sa))
+	if ((error = settimeofday(p, &sa)) != 0)
 		return EPERM;
 	return 0;
 }
@@ -902,8 +902,8 @@ ibcs2_utime(p, uap)
 	if (SCARG(uap, buf)) {
 		struct ibcs2_utimbuf ubuf;
 
-		if (error = copyin((caddr_t)SCARG(uap, buf), (caddr_t)&ubuf,
-				   sizeof(ubuf)))
+		if ((error = copyin((caddr_t)SCARG(uap, buf), (caddr_t)&ubuf,
+				   sizeof(ubuf))) != 0)
 			return error;
 		SCARG(&sa, tptr) = stackgap_alloc(&sg,
 						  2 * sizeof(struct timeval *));
@@ -929,7 +929,7 @@ ibcs2_nice(p, uap)
 	SCARG(&sa, which) = PRIO_PROCESS;
 	SCARG(&sa, who) = 0;
 	SCARG(&sa, prio) = p->p_nice + SCARG(uap, incr);
-	if (error = setpriority(p, &sa))
+	if ((error = setpriority(p, &sa)) != 0)
 		return EPERM;
 	p->p_retval[0] = p->p_nice;
 	return 0;
@@ -993,7 +993,7 @@ ibcs2_plock(p, uap)
 #define IBCS2_DATALOCK	4
 
 	
-        if (error = suser(p->p_ucred, &p->p_acflag))
+        if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
                 return EPERM;
 	switch(SCARG(uap, cmd)) {
 	case IBCS2_UNLOCK:
diff --git a/sys/i386/ibcs2/ibcs2_msg.c b/sys/i386/ibcs2/ibcs2_msg.c
index ba2af2d..8b7429b 100644
--- a/sys/i386/ibcs2/ibcs2_msg.c
+++ b/sys/i386/ibcs2/ibcs2_msg.c
@@ -21,7 +21,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * $Id: ibcs2_msg.c,v 1.4 1997/07/20 09:39:44 bde Exp $
+ * $Id: ibcs2_msg.c,v 1.5 1997/11/06 19:28:34 phk Exp $
  */
 
 /*
@@ -93,8 +93,8 @@ ibcs2_poll(p, uap)
 	tmp_select.tv = timeout;
 
 	for (i = 0; i < uap->nfds; i++) {
-		if (error = copyin(uap->fds + i*sizeof(struct ibcs2_poll),
-				   &conv, sizeof(conv)))
+		if ((error = copyin(uap->fds + i*sizeof(struct ibcs2_poll),
+				   &conv, sizeof(conv))) != 0)
 			return error;
 		conv.revents = 0;
 		if (conv.fd < 0 || conv.fd > FD_SETSIZE)
@@ -107,7 +107,7 @@ ibcs2_poll(p, uap)
 			FD_SET(conv.fd, writefds);
 		FD_SET(conv.fd, exceptfds);
 	}
-	if (error = select(p, &tmp_select))
+	if ((error = select(p, &tmp_select)) != 0)
 		return error;
 	if (p->p_retval[0] == 0)
 		return 0;
@@ -129,9 +129,9 @@ ibcs2_poll(p, uap)
 			if (conv.revents)
 				++p->p_retval[0];
 		}
-		if (error = copyout(&conv,
+		if ((error = copyout(&conv,
 				    uap->fds + i*sizeof(struct ibcs2_poll),
-				    sizeof(conv)))
+				    sizeof(conv))) != 0)
 			return error;
 	}
 	return 0;
diff --git a/sys/i386/ibcs2/ibcs2_socksys.c b/sys/i386/ibcs2/ibcs2_socksys.c
index c7f109a..0f5ee4d 100644
--- a/sys/i386/ibcs2/ibcs2_socksys.c
+++ b/sys/i386/ibcs2/ibcs2_socksys.c
@@ -68,7 +68,7 @@ ibcs2_socksys(p, uap)
 	 * The others are (and should be) only legal on sockets.
 	 */
 
-	if (error = copyin(uap->argsp, (caddr_t)realargs, sizeof(realargs)))
+	if ((error = copyin(uap->argsp, (caddr_t)realargs, sizeof(realargs))) != 0)
 		return error;
 	DPRINTF(("ibcs2_socksys: %08x %08x %08x %08x %08x %08x %08x\n",
 	       realargs[0], realargs[1], realargs[2], realargs[3], 
diff --git a/sys/i386/ibcs2/ibcs2_stat.c b/sys/i386/ibcs2/ibcs2_stat.c
index d3bf6ae..36990c3 100644
--- a/sys/i386/ibcs2/ibcs2_stat.c
+++ b/sys/i386/ibcs2/ibcs2_stat.c
@@ -104,12 +104,12 @@ ibcs2_statfs(p, uap)
 
 	CHECKALTEXIST(p, &sg, SCARG(uap, path));
 	NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
-	if (error = namei(&nd))
+	if ((error = namei(&nd)) != 0)
 		return (error);
 	mp = nd.ni_vp->v_mount;
 	sp = &mp->mnt_stat;
 	vrele(nd.ni_vp);
-	if (error = VFS_STATFS(mp, sp, p))
+	if ((error = VFS_STATFS(mp, sp, p)) != 0)
 		return (error);
 	sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
 	return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len));
@@ -125,11 +125,11 @@ ibcs2_fstatfs(p, uap)
 	register struct statfs *sp;
 	int error;
 
-	if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp))
+	if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
 		return (error);
 	mp = ((struct vnode *)fp->f_data)->v_mount;
 	sp = &mp->mnt_stat;
-	if (error = VFS_STATFS(mp, sp, p))
+	if ((error = VFS_STATFS(mp, sp, p)) != 0)
 		return (error);
 	sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
 	return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len));
@@ -150,10 +150,10 @@ ibcs2_stat(p, uap)
 	SCARG(&cup, path) = SCARG(uap, path);
 	SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st));
 
-	if (error = stat(p, &cup))
+	if ((error = stat(p, &cup)) != 0)
 		return error;
 
-	if (error = copyin(SCARG(&cup, ub), &st, sizeof(st)))
+	if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0)
 		return error;
 	bsd_stat2ibcs_stat(&st, &ibcs2_st);
 	return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
@@ -175,10 +175,10 @@ ibcs2_lstat(p, uap)
 	SCARG(&cup, path) = SCARG(uap, path);
 	SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st));
 
-	if (error = lstat(p, &cup))
+	if ((error = lstat(p, &cup)) != 0)
 		return error;
 
-	if (error = copyin(SCARG(&cup, ub), &st, sizeof(st)))
+	if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0)
 		return error;
 	bsd_stat2ibcs_stat(&st, &ibcs2_st);
 	return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
@@ -199,10 +199,10 @@ ibcs2_fstat(p, uap)
 	SCARG(&cup, fd) = SCARG(uap, fd);
 	SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(st));
 
-	if (error = fstat(p, &cup))
+	if ((error = fstat(p, &cup)) != 0)
 		return error;
 
-	if (error = copyin(SCARG(&cup, sb), &st, sizeof(st)))
+	if ((error = copyin(SCARG(&cup, sb), &st, sizeof(st))) != 0)
 		return error;
 	bsd_stat2ibcs_stat(&st, &ibcs2_st);
 	return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
diff --git a/sys/i386/ibcs2/ibcs2_sysi86.c b/sys/i386/ibcs2/ibcs2_sysi86.c
index ba9c12f..210c268 100644
--- a/sys/i386/ibcs2/ibcs2_sysi86.c
+++ b/sys/i386/ibcs2/ibcs2_sysi86.c
@@ -60,7 +60,7 @@ ibcs2_sysi86(struct proc *p, struct ibcs2_sysi86_args *args)
 		if (hw_float) val = IBCS2_FP_387;	/* FPU hardware */
 		else val = IBCS2_FP_SW;			/* FPU emulator */
 			
-		if (error = copyout(&val, SCARG(args, arg), sizeof(val)))
+		if ((error = copyout(&val, SCARG(args, arg), sizeof(val))) != 0)
 			return error;
 		return 0;
 		}
diff --git a/sys/i386/ibcs2/ibcs2_xenix.c b/sys/i386/ibcs2/ibcs2_xenix.c
index 8ab5556..89506bf 100644
--- a/sys/i386/ibcs2/ibcs2_xenix.c
+++ b/sys/i386/ibcs2/ibcs2_xenix.c
@@ -27,7 +27,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: ibcs2_xenix.c,v 1.16 1998/08/16 01:21:49 bde Exp $
+ *	$Id: ibcs2_xenix.c,v 1.17 1998/12/04 22:54:46 archie Exp $
  */
 
 #include <sys/param.h>
@@ -80,7 +80,7 @@ xenix_rdchk(p, uap)
 	SCARG(&sa, fd) = SCARG(uap, fd);
 	SCARG(&sa, com) = FIONREAD;
 	SCARG(&sa, data) = stackgap_alloc(&sg, sizeof(int));
-	if (error = ioctl(p, &sa))
+	if ((error = ioctl(p, &sa)) != 0)
 		return error;
 	p->p_retval[0] = (*((int*)SCARG(&sa, data))) ? 1 : 0;
 	return 0;
@@ -202,7 +202,7 @@ xenix_eaccess(struct proc *p, struct xenix_eaccess_args *uap)
 
         NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
             SCARG(uap, path), p);
-        if (error = namei(&nd))
+        if ((error = namei(&nd)) != 0)
                 return error;
         vp = nd.ni_vp;
 
diff --git a/sys/i386/ibcs2/imgact_coff.c b/sys/i386/ibcs2/imgact_coff.c
index 3632b74..da41412 100644
--- a/sys/i386/ibcs2/imgact_coff.c
+++ b/sys/i386/ibcs2/imgact_coff.c
@@ -26,7 +26,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: imgact_coff.c,v 1.33 1998/10/16 03:55:00 peter Exp $
+ *	$Id: imgact_coff.c,v 1.34 1999/01/17 20:39:08 peter Exp $
  */
 
 #include <sys/param.h>
@@ -92,14 +92,14 @@ load_coff_section(struct vmspace *vmspace, struct vnode *vp, vm_offset_t offset,
 		"VM_PROT_ALL, MAP_PRIVATE | MAP_FIXED, vp, 0x%x)\n",
 		__FILE__, __LINE__, map_addr, map_len, prot, map_offset));
 
-	if (error = vm_mmap(&vmspace->vm_map,
+	if ((error = vm_mmap(&vmspace->vm_map,
 			     &map_addr,
 			     map_len,
 			     prot,
 			     VM_PROT_ALL,
 			     MAP_PRIVATE | MAP_FIXED,
 			     (caddr_t) vp,
-			     map_offset))
+			     map_offset)) != 0)
 		return error;
 
 	if (memsz == filsz) {
@@ -128,14 +128,14 @@ load_coff_section(struct vmspace *vmspace, struct vnode *vp, vm_offset_t offset,
 			return error;
 	}
 
-	if (error = vm_mmap(kernel_map,
+	if ((error = vm_mmap(kernel_map,
 			    (vm_offset_t *) &data_buf,
 			    PAGE_SIZE,
 			    VM_PROT_READ,
 			    VM_PROT_READ,
 			    0,
 			    (caddr_t) vp,
-			    trunc_page(offset + filsz)))
+			    trunc_page(offset + filsz))) != 0)
 		return error;
 
 	error = copyout(data_buf, (caddr_t) map_addr, copy_len);
@@ -182,7 +182,7 @@ coff_load_file(struct proc *p, char *name)
     		goto fail;
   	}
 
-  	if (error = VOP_GETATTR(vp, &attr, p->p_ucred, p))
+  	if ((error = VOP_GETATTR(vp, &attr, p->p_ucred, p)) != 0)
     		goto fail;
 
   	if ((vp->v_mount->mnt_flag & MNT_NOEXEC)
@@ -195,10 +195,10 @@ coff_load_file(struct proc *p, char *name)
     		goto fail;
   	}
 
-  	if (error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p))
+  	if ((error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p)) != 0)
     		goto fail;
 
-  	if (error = VOP_OPEN(vp, FREAD, p->p_ucred, p))
+  	if ((error = VOP_OPEN(vp, FREAD, p->p_ucred, p)) != 0)
     		goto fail;
 
 	/*
@@ -207,14 +207,14 @@ coff_load_file(struct proc *p, char *name)
 	 */
 	VOP_UNLOCK(vp, 0, p);
 
-  	if (error = vm_mmap(kernel_map,
+  	if ((error = vm_mmap(kernel_map,
 			    (vm_offset_t *) &ptr,
 			    PAGE_SIZE,
 			    VM_PROT_READ,
 		       	    VM_PROT_READ,
 			    0,
 			    (caddr_t) vp,
-			    0))
+			    0)) != 0)
     	goto fail;
 
   	fhdr = (struct filehdr *)ptr;
@@ -256,16 +256,16 @@ coff_load_file(struct proc *p, char *name)
     		}
   	}
 
-  	if (error = load_coff_section(vmspace, vp, text_offset,
+  	if ((error = load_coff_section(vmspace, vp, text_offset,
 				      (caddr_t)(void *)(uintptr_t)text_address,
 				      text_size, text_size,
-				      VM_PROT_READ | VM_PROT_EXECUTE)) {
+				      VM_PROT_READ | VM_PROT_EXECUTE)) != 0) {
     		goto dealloc_and_fail;
   	}
-  	if (error = load_coff_section(vmspace, vp, data_offset,
+  	if ((error = load_coff_section(vmspace, vp, data_offset,
 				      (caddr_t)(void *)(uintptr_t)data_address,
 				      data_size + bss_size, data_size,
-				      VM_PROT_ALL)) {
+				      VM_PROT_ALL)) != 0) {
     		goto dealloc_and_fail;
   	}
 
@@ -325,7 +325,7 @@ exec_coff_imgact(imgp)
 	       ((const char*)(imgp->image_header) + sizeof(struct filehdr) +
 		sizeof(struct aouthdr));
 
-	if (error = exec_extract_strings(imgp)) {
+	if ((error = exec_extract_strings(imgp)) != 0) {
 		DPRINTF(("%s(%d):  return %d\n", __FILE__, __LINE__, error));
 		return error;
 	}
@@ -364,14 +364,14 @@ exec_coff_imgact(imgp)
 	    	int len = round_page(scns[i].s_size + PAGE_SIZE);
 	    	int j;
 
-	    	if (error = vm_mmap(kernel_map,
+	    	if ((error = vm_mmap(kernel_map,
 				    (vm_offset_t *) &buf,
 				    len,
 				    VM_PROT_READ,
 				    VM_PROT_READ,
 				    0,
 				    (caddr_t) imgp->vp,
-				    foff)) {
+				    foff)) != 0) {
 	      		return ENOEXEC;
 	    	}
 		if(scns[i].s_size) {
@@ -416,11 +416,11 @@ exec_coff_imgact(imgp)
 		"imgp->vp, %08lx, %08lx, 0x%x, 0x%x, 0x%x)\n",
 		__FILE__, __LINE__, text_offset, text_address,
 		text_size, text_size, VM_PROT_READ | VM_PROT_EXECUTE));
-	if (error = load_coff_section(vmspace, imgp->vp,
+	if ((error = load_coff_section(vmspace, imgp->vp,
 				      text_offset,
 				      (caddr_t)(void *)(uintptr_t)text_address,
 				      text_size, text_size,
-				      VM_PROT_READ | VM_PROT_EXECUTE)) {
+				      VM_PROT_READ | VM_PROT_EXECUTE)) != 0) {
 		DPRINTF(("%s(%d): error = %d\n", __FILE__, __LINE__, error));
 		return error;
        	}
@@ -433,11 +433,11 @@ exec_coff_imgact(imgp)
 		"imgp->vp, 0x%08lx, 0x%08lx, 0x%x, 0x%x, 0x%x)\n",
 		__FILE__, __LINE__, data_offset, data_address,
 		data_size + bss_size, data_size, VM_PROT_ALL));
-	if (error = load_coff_section(vmspace, imgp->vp,
+	if ((error = load_coff_section(vmspace, imgp->vp,
 				      data_offset,
 				      (caddr_t)(void *)(uintptr_t)data_address,
 				      data_size + bss_size, data_size,
-				      VM_PROT_ALL)) {
+				      VM_PROT_ALL)) != 0) {
 
 		DPRINTF(("%s(%d): error = %d\n", __FILE__, __LINE__, error));
 		return error;