From 5251744078ceb38018f49f2bf6736d3a6f5cbacb Mon Sep 17 00:00:00 2001 From: eadler Date: Mon, 7 May 2012 12:20:26 +0000 Subject: [PATCH] MFC r234131: Return EBADF instead of EMFILE from dup2 when the second argument is outside the range of valid file descriptors PR: kern/164970 Approved by: cperciva (implicit) git-svn-id: svn://svn.freebsd.org/base/stable/8@235126 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f --- sys/kern/kern_descrip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index 17ce3dd0f..c27358297 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -772,7 +772,7 @@ do_dup(struct thread *td, int flags, int old, int new, maxfd = min((int)lim_cur(p, RLIMIT_NOFILE), maxfilesperproc); PROC_UNLOCK(p); if (new >= maxfd) - return (flags & DUP_FCNTL ? EINVAL : EMFILE); + return (flags & DUP_FCNTL ? EINVAL : EBADF); FILEDESC_XLOCK(fdp); if (old >= fdp->fd_nfiles || fdp->fd_ofiles[old] == NULL) { -- 2.45.0