diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_acl.c | 89 | ||||
| -rw-r--r-- | sys/kern/subr_acl_posix1e.c | 89 | ||||
| -rw-r--r-- | sys/kern/vfs_acl.c | 89 |
3 files changed, 135 insertions, 132 deletions
diff --git a/sys/kern/kern_acl.c b/sys/kern/kern_acl.c index f238b98..f346f61 100644 --- a/sys/kern/kern_acl.c +++ b/sys/kern/kern_acl.c @@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$"); #include <sys/kernel.h> #include <sys/mac.h> #include <sys/malloc.h> +#include <sys/mount.h> #include <sys/vnode.h> #include <sys/lock.h> #include <sys/mutex.h> @@ -772,16 +773,16 @@ int __acl_get_file(struct thread *td, struct __acl_get_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_get_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -794,16 +795,16 @@ int __acl_get_link(struct thread *td, struct __acl_get_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_get_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -816,16 +817,16 @@ int __acl_set_file(struct thread *td, struct __acl_set_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_set_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -838,16 +839,16 @@ int __acl_set_link(struct thread *td, struct __acl_set_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_set_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -860,15 +861,15 @@ int __acl_get_fd(struct thread *td, struct __acl_get_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_get_acl(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -881,15 +882,15 @@ int __acl_set_fd(struct thread *td, struct __acl_set_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_set_acl(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -902,16 +903,16 @@ int __acl_delete_file(struct thread *td, struct __acl_delete_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_delete(td, nd.ni_vp, uap->type); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -924,16 +925,16 @@ int __acl_delete_link(struct thread *td, struct __acl_delete_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_delete(td, nd.ni_vp, uap->type); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -946,15 +947,15 @@ int __acl_delete_fd(struct thread *td, struct __acl_delete_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_delete(td, fp->f_vnode, uap->type); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -967,16 +968,16 @@ int __acl_aclcheck_file(struct thread *td, struct __acl_aclcheck_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_aclcheck(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -989,16 +990,16 @@ int __acl_aclcheck_link(struct thread *td, struct __acl_aclcheck_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_aclcheck(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -1011,15 +1012,15 @@ int __acl_aclcheck_fd(struct thread *td, struct __acl_aclcheck_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_aclcheck(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } diff --git a/sys/kern/subr_acl_posix1e.c b/sys/kern/subr_acl_posix1e.c index f238b98..f346f61 100644 --- a/sys/kern/subr_acl_posix1e.c +++ b/sys/kern/subr_acl_posix1e.c @@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$"); #include <sys/kernel.h> #include <sys/mac.h> #include <sys/malloc.h> +#include <sys/mount.h> #include <sys/vnode.h> #include <sys/lock.h> #include <sys/mutex.h> @@ -772,16 +773,16 @@ int __acl_get_file(struct thread *td, struct __acl_get_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_get_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -794,16 +795,16 @@ int __acl_get_link(struct thread *td, struct __acl_get_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_get_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -816,16 +817,16 @@ int __acl_set_file(struct thread *td, struct __acl_set_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_set_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -838,16 +839,16 @@ int __acl_set_link(struct thread *td, struct __acl_set_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_set_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -860,15 +861,15 @@ int __acl_get_fd(struct thread *td, struct __acl_get_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_get_acl(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -881,15 +882,15 @@ int __acl_set_fd(struct thread *td, struct __acl_set_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_set_acl(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -902,16 +903,16 @@ int __acl_delete_file(struct thread *td, struct __acl_delete_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_delete(td, nd.ni_vp, uap->type); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -924,16 +925,16 @@ int __acl_delete_link(struct thread *td, struct __acl_delete_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_delete(td, nd.ni_vp, uap->type); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -946,15 +947,15 @@ int __acl_delete_fd(struct thread *td, struct __acl_delete_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_delete(td, fp->f_vnode, uap->type); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -967,16 +968,16 @@ int __acl_aclcheck_file(struct thread *td, struct __acl_aclcheck_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_aclcheck(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -989,16 +990,16 @@ int __acl_aclcheck_link(struct thread *td, struct __acl_aclcheck_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_aclcheck(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -1011,15 +1012,15 @@ int __acl_aclcheck_fd(struct thread *td, struct __acl_aclcheck_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_aclcheck(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } diff --git a/sys/kern/vfs_acl.c b/sys/kern/vfs_acl.c index f238b98..f346f61 100644 --- a/sys/kern/vfs_acl.c +++ b/sys/kern/vfs_acl.c @@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$"); #include <sys/kernel.h> #include <sys/mac.h> #include <sys/malloc.h> +#include <sys/mount.h> #include <sys/vnode.h> #include <sys/lock.h> #include <sys/mutex.h> @@ -772,16 +773,16 @@ int __acl_get_file(struct thread *td, struct __acl_get_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_get_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -794,16 +795,16 @@ int __acl_get_link(struct thread *td, struct __acl_get_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_get_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -816,16 +817,16 @@ int __acl_set_file(struct thread *td, struct __acl_set_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_set_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -838,16 +839,16 @@ int __acl_set_link(struct thread *td, struct __acl_set_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_set_acl(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -860,15 +861,15 @@ int __acl_get_fd(struct thread *td, struct __acl_get_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_get_acl(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -881,15 +882,15 @@ int __acl_set_fd(struct thread *td, struct __acl_set_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_set_acl(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -902,16 +903,16 @@ int __acl_delete_file(struct thread *td, struct __acl_delete_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_delete(td, nd.ni_vp, uap->type); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -924,16 +925,16 @@ int __acl_delete_link(struct thread *td, struct __acl_delete_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_delete(td, nd.ni_vp, uap->type); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -946,15 +947,15 @@ int __acl_delete_fd(struct thread *td, struct __acl_delete_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_delete(td, fp->f_vnode, uap->type); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } @@ -967,16 +968,16 @@ int __acl_aclcheck_file(struct thread *td, struct __acl_aclcheck_file_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|FOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_aclcheck(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -989,16 +990,16 @@ int __acl_aclcheck_link(struct thread *td, struct __acl_aclcheck_link_args *uap) { struct nameidata nd; - int error; + int vfslocked, error; - mtx_lock(&Giant); - NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, uap->path, td); + NDINIT(&nd, LOOKUP, MPSAFE|NOFOLLOW, UIO_USERSPACE, uap->path, td); error = namei(&nd); + vfslocked = NDHASGIANT(&nd); if (error == 0) { error = vacl_aclcheck(td, nd.ni_vp, uap->type, uap->aclp); NDFREE(&nd, 0); } - mtx_unlock(&Giant); + VFS_UNLOCK_GIANT(vfslocked); return (error); } @@ -1011,15 +1012,15 @@ int __acl_aclcheck_fd(struct thread *td, struct __acl_aclcheck_fd_args *uap) { struct file *fp; - int error; + int vfslocked, error; - mtx_lock(&Giant); error = getvnode(td->td_proc->p_fd, uap->filedes, &fp); if (error == 0) { + vfslocked = VFS_LOCK_GIANT(fp->f_vnode->v_mount); error = vacl_aclcheck(td, fp->f_vnode, uap->type, uap->aclp); fdrop(fp, td); + VFS_UNLOCK_GIANT(vfslocked); } - mtx_unlock(&Giant); return (error); } |
