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Go Back   Linux Archive > Redhat > Device-mapper Development

 
 
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Old 05-28-2011, 05:36 PM
Joe Perches
 
Default md: Convert vmalloc/memset to vzalloc

Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/md/dm-log.c | 3 +--
drivers/md/dm-snap-persistent.c | 3 +--
drivers/md/dm-table.c | 4 +---
3 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index a1f3218..b6c2b71 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -487,7 +487,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
memset(lc->sync_bits, (sync == NOSYNC) ? -1 : 0, bitset_size);
lc->sync_count = (sync == NOSYNC) ? region_count : 0;

- lc->recovering_bits = vmalloc(bitset_size);
+ lc->recovering_bits = vzalloc(bitset_size);
if (!lc->recovering_bits) {
DMWARN("couldn't allocate sync bitset");
vfree(lc->sync_bits);
@@ -499,7 +499,6 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
kfree(lc);
return -ENOMEM;
}
- memset(lc->recovering_bits, 0, bitset_size);
lc->sync_search = 0;
log->context = lc;

diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 95891df..be100d4 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -174,10 +174,9 @@ static int alloc_area(struct pstore *ps)
if (!ps->area)
goto err_area;

- ps->zero_area = vmalloc(len);
+ ps->zero_area = vzalloc(len);
if (!ps->zero_area)
goto err_zero_area;
- memset(ps->zero_area, 0, len);

ps->header_area = vmalloc(len);
if (!ps->header_area)
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index cb8380c..5850497 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -154,9 +154,7 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size)
return NULL;

size = nmemb * elem_size;
- addr = vmalloc(size);
- if (addr)
- memset(addr, 0, size);
+ addr = vzalloc(size);

return addr;
}
--
1.7.5.rc3.dirty

--
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https://www.redhat.com/mailman/listinfo/dm-devel
 

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