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Simplify some pointer operations

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This commit is contained in:
Zdenek Kabelac 2011-10-20 13:33:41 +00:00
parent 909bc0fff1
commit e3359201cf
2 changed files with 5 additions and 4 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.68 - Version 1.02.68 -
================================== ==================================
Simplify some pointer operations in dm_free_aux() debug code..
Remove unused dbg_malloc.h file from source tree. Remove unused dbg_malloc.h file from source tree.
Cleanup backtraces for _create_and_load_v4(). Cleanup backtraces for _create_and_load_v4().
Fix alignment warning in bitcount calculation for raid segment. Fix alignment warning in bitcount calculation for raid segment.

8
libdm/mm/dbg_malloc.c
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@ -143,9 +143,9 @@ void dm_free_aux(void *p)
assert(mb->magic == p); assert(mb->magic == p);
/* check data at the far boundary */ /* 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++) 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"); assert(!"Damage at far end of block");
/* have we freed this before ? */ /* have we freed this before ? */
@ -165,9 +165,9 @@ void dm_free_aux(void *p)
mb->id = 0; mb->id = 0;
/* stomp a different pattern across the memory */ /* stomp a different pattern across the memory */
ptr = ((char *) mb) + sizeof(struct memblock); ptr = p;
for (i = 0; i < mb->length; i++) 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); assert(_mem_stats.blocks_allocated);
_mem_stats.blocks_allocated--; _mem_stats.blocks_allocated--;