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From: wysochanski@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2/lib/filters filter-persistent.c Date: Wed, 08 Jul 2009 18:13:00 -0000 [thread overview] Message-ID: <20090708181334.29142.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: wysochanski@sourceware.org 2009-07-08 18:13:32 Modified files: lib/filters : filter-persistent.c Log message: Fix segfault in persistent_filter_dump() if lvm init fails. Just return_0 in persistent_filter_dump() if passed a NULL filter; Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/filters/filter-persistent.c.diff?cvsroot=lvm2&r1=1.37&r2=1.38 --- LVM2/lib/filters/filter-persistent.c 2008/11/03 22:14:28 1.37 +++ LVM2/lib/filters/filter-persistent.c 2009/07/08 18:13:32 1.38 @@ -177,7 +177,7 @@ int persistent_filter_dump(struct dev_filter *f) { - struct pfilter *pf = (struct pfilter *) f->private; + struct pfilter *pf; char *tmp_file; struct stat info, info2; struct config_tree *cft = NULL; @@ -185,6 +185,10 @@ int lockfd; int r = 0; + if (!f) + return_0; + pf = (struct pfilter *) f->private; + if (!dm_hash_get_num_entries(pf->devices)) { log_very_verbose("Internal persistent device cache empty " "- not writing to %s", pf->file);
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