From owner-svn-src-all@freebsd.org Thu Mar 28 18:20:48 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8DA801564D32; Thu, 28 Mar 2019 18:20:48 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 30D3E8543F; Thu, 28 Mar 2019 18:20:48 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 0BF7722E98; Thu, 28 Mar 2019 18:20:48 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x2SIKl6M007684; Thu, 28 Mar 2019 18:20:47 GMT (envelope-from delphij@FreeBSD.org) Received: (from delphij@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x2SIKlvQ007683; Thu, 28 Mar 2019 18:20:47 GMT (envelope-from delphij@FreeBSD.org) Message-Id: <201903281820.x2SIKlvQ007683@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: delphij set sender to delphij@FreeBSD.org using -f From: Xin LI Date: Thu, 28 Mar 2019 18:20:47 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r345647 - head/sbin/fsck_msdosfs X-SVN-Group: head X-SVN-Commit-Author: delphij X-SVN-Commit-Paths: head/sbin/fsck_msdosfs X-SVN-Commit-Revision: 345647 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 30D3E8543F X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.996,0]; NEURAL_HAM_SHORT(-0.97)[-0.973,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Mar 2019 18:20:48 -0000 Author: delphij Date: Thu Mar 28 18:20:47 2019 New Revision: 345647 URL: https://svnweb.freebsd.org/changeset/base/345647 Log: Distinguish between lseek errors and read errores. MFC after: 2 weeks Modified: head/sbin/fsck_msdosfs/dir.c Modified: head/sbin/fsck_msdosfs/dir.c ============================================================================== --- head/sbin/fsck_msdosfs/dir.c Thu Mar 28 17:30:47 2019 (r345646) +++ head/sbin/fsck_msdosfs/dir.c Thu Mar 28 18:20:47 2019 (r345647) @@ -35,6 +35,7 @@ static const char rcsid[] = "$FreeBSD$"; #endif /* not lint */ +#include #include #include #include @@ -329,8 +330,11 @@ delete(int f, struct bootblock *boot, struct fatEntry } off = startcl * boot->bpbSecPerClust + boot->ClusterOffset; off *= boot->bpbBytesPerSec; - if (lseek(f, off, SEEK_SET) != off - || read(f, delbuf, clsz) != clsz) { + if (lseek(f, off, SEEK_SET) != off) { + perr("Unable to lseek to %" PRId64, off); + return FSFATAL; + } + if (read(f, delbuf, clsz) != clsz) { perr("Unable to read directory"); return FSFATAL; } @@ -338,8 +342,11 @@ delete(int f, struct bootblock *boot, struct fatEntry *s = SLOT_DELETED; s += 32; } - if (lseek(f, off, SEEK_SET) != off - || write(f, delbuf, clsz) != clsz) { + if (lseek(f, off, SEEK_SET) != off) { + perr("Unable to lseek to %" PRId64, off); + return FSFATAL; + } + if (write(f, delbuf, clsz) != clsz) { perr("Unable to write directory"); return FSFATAL; }