diff options
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index 49b3868..2e13bb0 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -294,6 +294,7 @@ do_execve(td, args, mac_p) #endif struct vnode *textvp = NULL; int credential_changing; + int vfslocked; int textset; #ifdef MAC struct label *interplabel = NULL; @@ -348,16 +349,16 @@ do_execve(td, args, mac_p) * in ni_vp amoung other things. */ ndp = &nd; - NDINIT(ndp, LOOKUP, ISOPEN | LOCKLEAF | FOLLOW | SAVENAME, + NDINIT(ndp, LOOKUP, ISOPEN | LOCKLEAF | FOLLOW | SAVENAME | MPSAFE, UIO_SYSSPACE, args->fname, td); - mtx_lock(&Giant); interpret: - + vfslocked = 0; error = namei(ndp); if (error) goto exec_fail; + vfslocked = NDHASGIANT(ndp); imgp->vp = ndp->ni_vp; /* @@ -438,8 +439,9 @@ interpret: vput(ndp->ni_vp); vm_object_deallocate(imgp->object); imgp->object = NULL; + VFS_UNLOCK_GIANT(vfslocked); /* set new name to that of the interpreter */ - NDINIT(ndp, LOOKUP, LOCKLEAF | FOLLOW | SAVENAME, + NDINIT(ndp, LOOKUP, LOCKLEAF | FOLLOW | SAVENAME | MPSAFE, UIO_SYSSPACE, imgp->interpreter_name, td); goto interpret; } @@ -772,7 +774,7 @@ done2: if (interplabel != NULL) mac_vnode_label_free(interplabel); #endif - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -785,8 +787,6 @@ exec_map_first_page(imgp) vm_page_t ma[VM_INITIAL_PAGEIN]; vm_object_t object; - GIANT_REQUIRED; - if (imgp->firstpage != NULL) exec_unmap_first_page(imgp); @@ -876,8 +876,6 @@ exec_new_vmspace(imgp, sv) vm_offset_t stack_addr; vm_map_t map; - GIANT_REQUIRED; - imgp->vmspace_destroyed = 1; /* Called with Giant held, do not depend on it! */ |
