Bug Summary

File:afs/FBSD/osi_misc.c
Location:line 34, column 5
Description:Value stored to 'flags' is never read

Annotated Source Code

1/*
2 * Copyright 2000, International Business Machines Corporation and others.
3 * All Rights Reserved.
4 *
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
8 */
9
10/*
11 * osi_misc.c
12 *
13 */
14
15#include <afsconfig.h>
16#include "afs/param.h"
17
18
19#include "afs/sysincludes.h" /* Standard vendor system headers */
20#include "afsincludes.h" /* Afs-based standard headers */
21#include <sys/namei.h>
22
23int
24osi_lookupname(char *aname, enum uio_seg seg, int followlink,
25 struct vnode **vpp)
26{
27 struct nameidata n;
28 int flags, error, glocked;
29
30 glocked = ISAFS_GLOCK()((((&afs_global_mtx)->mtx_lock & ~(0x00000001 | 0x00000002
| 0x00000004)) == (uintptr_t)(__curthread())));
31 if (glocked)
32 AFS_GUNLOCK()do { (void)0; _mtx_unlock_flags(((&afs_global_mtx)), (0),
"/home/wollman/openafs/src/afs/FBSD/osi_misc.c", 32); } while
(0);
33
34 flags = 0;
Value stored to 'flags' is never read
35 flags = LOCKLEAF0x0004;
36 if (followlink)
37 flags |= FOLLOW0x0040;
38 else
39 flags |= NOFOLLOW0x0000;
40 flags |= MPSAFE0x01000000; /* namei must take Giant if needed */
41 NDINIT(&n, LOOKUP, flags, seg, aname, curthread)NDINIT_ALL(&n, 0, flags, seg, aname, -100, ((void *)0), (
__curthread()));
42 if ((error = namei(&n)) != 0) {
43 if (glocked)
44 AFS_GLOCK()do { (void)0; _mtx_lock_flags(((&afs_global_mtx)), (0), "/home/wollman/openafs/src/afs/FBSD/osi_misc.c"
, 44); (void)0; } while (0);
45 return error;
46 }
47 *vpp = n.ni_vp;
48 /* XXX should we do this? Usually NOT (matt) */
49#if defined(AFS_FBSD80_ENV1)
50 /*VOP_UNLOCK(n.ni_vp, 0);*/
51#else
52 VOP_UNLOCK(n.ni_vp, 0, curthread(__curthread()));
53#endif
54 NDFREE(&n, NDF_ONLY_PNBUF(~0x00000020));
55 if (glocked)
56 AFS_GLOCK()do { (void)0; _mtx_lock_flags(((&afs_global_mtx)), (0), "/home/wollman/openafs/src/afs/FBSD/osi_misc.c"
, 56); (void)0; } while (0);
57 return 0;
58}
59
60/*
61 * does not implement security features of kern_time.c:settime()
62 */
63void
64afs_osi_SetTime(osi_timeval_t * atv)
65{
66 printf("afs attempted to set clock; use \"afsd -nosettime\"\n");
67}
68
69/*
70 * Replace all of the bogus special-purpose memory allocators...
71 */
72void *
73osi_fbsd_alloc(size_t size, int dropglobal)
74{
75 void *rv;
76 int glocked;
77
78 if (dropglobal) {
79 glocked = ISAFS_GLOCK()((((&afs_global_mtx)->mtx_lock & ~(0x00000001 | 0x00000002
| 0x00000004)) == (uintptr_t)(__curthread())));
80 if (glocked)
81 AFS_GUNLOCK()do { (void)0; _mtx_unlock_flags(((&afs_global_mtx)), (0),
"/home/wollman/openafs/src/afs/FBSD/osi_misc.c", 81); } while
(0);
82 rv = malloc(size, M_AFS, M_WAITOK0x0002);
83 if (glocked)
84 AFS_GLOCK()do { (void)0; _mtx_lock_flags(((&afs_global_mtx)), (0), "/home/wollman/openafs/src/afs/FBSD/osi_misc.c"
, 84); (void)0; } while (0);
85 } else
86 rv = malloc(size, M_AFS, M_NOWAIT0x0001);
87
88 return (rv);
89}
90
91void
92osi_fbsd_free(void *p)
93{
94 free(p, M_AFS);
95}