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From: zkabelac@sourceware.org
To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org
Subject: LVM2 ./WHATS_NEW_DM libdm/mm/dbg_malloc.c
Date: Thu, 20 Oct 2011 13:33:00 -0000 [thread overview]
Message-ID: <20111020133341.7368.qmail@sourceware.org> (raw)
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac@sourceware.org 2011-10-20 13:33:41
Modified files:
. : WHATS_NEW_DM
libdm/mm : dbg_malloc.c
Log message:
Simplify some pointer operations
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW_DM.diff?cvsroot=lvm2&r1=1.513&r2=1.514
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/mm/dbg_malloc.c.diff?cvsroot=lvm2&r1=1.23&r2=1.24
--- LVM2/WHATS_NEW_DM 2011/10/20 13:23:52 1.513
+++ LVM2/WHATS_NEW_DM 2011/10/20 13:33:41 1.514
@@ -1,5 +1,6 @@
Version 1.02.68 -
==================================
+ Simplify some pointer operations in dm_free_aux() debug code..
Remove unused dbg_malloc.h file from source tree.
Cleanup backtraces for _create_and_load_v4().
Fix alignment warning in bitcount calculation for raid segment.
--- LVM2/libdm/mm/dbg_malloc.c 2011/02/08 15:52:00 1.23
+++ LVM2/libdm/mm/dbg_malloc.c 2011/10/20 13:33:41 1.24
@@ -143,9 +143,9 @@
assert(mb->magic == p);
/* check data at the far boundary */
- ptr = ((char *) mb) + sizeof(struct memblock) + mb->length;
+ ptr = (char *) p + mb->length;
for (i = 0; i < sizeof(unsigned long); i++)
- if (*ptr++ != (char) mb->id)
+ if (ptr[i] != (char) mb->id)
assert(!"Damage at far end of block");
/* have we freed this before ? */
@@ -165,9 +165,9 @@
mb->id = 0;
/* stomp a different pattern across the memory */
- ptr = ((char *) mb) + sizeof(struct memblock);
+ ptr = p;
for (i = 0; i < mb->length; i++)
- *ptr++ = i & 1 ? (char) 0xde : (char) 0xad;
+ ptr[i] = i & 1 ? (char) 0xde : (char) 0xad;
assert(_mem_stats.blocks_allocated);
_mem_stats.blocks_allocated--;
next reply other threads:[~2011-10-20 13:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-20 13:33 zkabelac [this message]
2012-02-10 13:52 zkabelac
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