Date: Mon, 26 Jun 2017 12:17:04 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r320356 - stable/11/sys/kern Message-ID: <201706261217.v5QCH4nM090152@repo.freebsd.org>
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Author: kib Date: Mon Jun 26 12:17:04 2017 New Revision: 320356 URL: https://svnweb.freebsd.org/changeset/base/320356 Log: MFC r320108: Allow negative aio_offset only for the read and write LIO ops on device nodes. Approved by: re (marius) Modified: stable/11/sys/kern/vfs_aio.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/vfs_aio.c ============================================================================== --- stable/11/sys/kern/vfs_aio.c Mon Jun 26 09:34:41 2017 (r320355) +++ stable/11/sys/kern/vfs_aio.c Mon Jun 26 12:17:04 2017 (r320356) @@ -1550,7 +1550,9 @@ aio_aqueue(struct thread *td, struct aiocb *ujob, stru goto aqueue_fail; } - if (opcode != LIO_SYNC && job->uaiocb.aio_offset == -1LL) { + if ((opcode == LIO_READ || opcode == LIO_WRITE) && + job->uaiocb.aio_offset < 0 && + (fp->f_vnode == NULL || fp->f_vnode->v_type != VCHR)) { error = EINVAL; goto aqueue_fail; }
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