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* LVM2/lib/filters filter-persistent.c
@ 2009-07-08 18:13 wysochanski
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From: wysochanski @ 2009-07-08 18:13 UTC (permalink / raw)
To: lvm-devel, lvm2-cvs
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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