Date: Fri, 11 Nov 2016 19:35:58 +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: r308543 - stable/11/sys/fs/msdosfs Message-ID: <201611111935.uABJZwbK000200@repo.freebsd.org>
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Author: kib Date: Fri Nov 11 19:35:58 2016 New Revision: 308543 URL: https://svnweb.freebsd.org/changeset/base/308543 Log: MFC r308023: If the fatchain() call in chainalloc() returned an error, revert marking the cluster run as in-use. Modified: stable/11/sys/fs/msdosfs/msdosfs_fat.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/fs/msdosfs/msdosfs_fat.c ============================================================================== --- stable/11/sys/fs/msdosfs/msdosfs_fat.c Fri Nov 11 19:33:26 2016 (r308542) +++ stable/11/sys/fs/msdosfs/msdosfs_fat.c Fri Nov 11 19:35:58 2016 (r308543) @@ -691,8 +691,11 @@ chainalloc(struct msdosfsmount *pmp, u_l pmp->pm_nxtfree = CLUST_FIRST; pmp->pm_flags |= MSDOSFS_FSIMOD; error = fatchain(pmp, start, count, fillwith); - if (error != 0) + if (error != 0) { + for (cl = start, n = count; n-- > 0;) + usemap_free(pmp, cl++); return (error); + } #ifdef MSDOSFS_DEBUG printf("clusteralloc(): allocated cluster chain at %lu (%lu clusters)\n", start, count);
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