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Differential D25612 Diff 75672 head/sys/kern/vfs_syscalls.c

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head/sys/kern/vfs_syscalls.c

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#include <security/audit/audit.h> #include <security/audit/audit.h>
#include <security/mac/mac_framework.h> #include <security/mac/mac_framework.h>
#include <vm/vm.h> #include <vm/vm.h>
#include <vm/vm_object.h> #include <vm/vm_object.h>
#include <vm/vm_page.h> #include <vm/vm_page.h>
#include <vm/uma.h> #include <vm/uma.h>
#include <fs/devfs/devfs.h>
#include <ufs/ufs/quota.h> #include <ufs/ufs/quota.h>
MALLOC_DEFINE(M_FADVISE, "fadvise", "posix_fadvise(2) information"); MALLOC_DEFINE(M_FADVISE, "fadvise", "posix_fadvise(2) information");
static int kern_chflagsat(struct thread *td, int fd, const char *path, static int kern_chflagsat(struct thread *td, int fd, const char *path,
enum uio_seg pathseg, u_long flags, int atflag); enum uio_seg pathseg, u_long flags, int atflag);
static int setfflags(struct thread *td, struct vnode *, u_long); static int setfflags(struct thread *td, struct vnode *, u_long);
static int getutimes(const struct timeval *, enum uio_seg, struct timespec *); static int getutimes(const struct timeval *, enum uio_seg, struct timespec *);
▲ Show 20 Lines • Show All 4,110 Lines • ▼ Show 20 Lines#endif
error = VOP_GETATTR(vp, &vattr, td->td_ucred); error = VOP_GETATTR(vp, &vattr, td->td_ucred);
if (error != 0) if (error != 0)
goto out; goto out;
if (td->td_ucred->cr_uid != vattr.va_uid) { if (td->td_ucred->cr_uid != vattr.va_uid) {
error = priv_check(td, PRIV_VFS_ADMIN); error = priv_check(td, PRIV_VFS_ADMIN);
if (error != 0) if (error != 0)
goto out; goto out;
} }
if (vp->v_usecount > 1 || vcount(vp) > 1) if (devfs_usecount(vp) > 0)
VOP_REVOKE(vp, REVOKEALL); VOP_REVOKE(vp, REVOKEALL);
out: out:
vput(vp); vput(vp);
return (error); return (error);
} }
/* /*
* Convert a user file descriptor to a kernel file entry and check that, if it * Convert a user file descriptor to a kernel file entry and check that, if it
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