The patch titled
dm mpath: use kzalloc
has been added to the -mm tree. Its filename is
dm-mpath-use-kzalloc.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: dm mpath: use kzalloc
From: Micha³ Miros³aw <mirq-linux@xxxxxxxxxxxx>
Use kzalloc() instead of kmalloc() + memset().
Signed-off-by: Micha³ Miros³aw <mirq-linux@xxxxxxxxxxxx>
Signed-off-by: Alasdair G Kergon <agk@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/md/dm-mpath.c | 17 ++++++-----------
1 files changed, 6 insertions(+), 11 deletions(-)
diff -puN drivers/md/dm-mpath.c~dm-mpath-use-kzalloc drivers/md/dm-mpath.c
--- a/drivers/md/dm-mpath.c~dm-mpath-use-kzalloc
+++ a/drivers/md/dm-mpath.c
@@ -114,12 +114,10 @@ static void trigger_event(void *data);
static struct pgpath *alloc_pgpath(void)
{
- struct pgpath *pgpath = kmalloc(sizeof(*pgpath), GFP_KERNEL);
+ struct pgpath *pgpath = kzalloc(sizeof(*pgpath), GFP_KERNEL);
- if (pgpath) {
- memset(pgpath, 0, sizeof(*pgpath));
+ if (pgpath)
pgpath->path.is_active = 1;
- }
return pgpath;
}
@@ -133,12 +131,10 @@ static struct priority_group *alloc_prio
{
struct priority_group *pg;
- pg = kmalloc(sizeof(*pg), GFP_KERNEL);
- if (!pg)
- return NULL;
+ pg = kzalloc(sizeof(*pg), GFP_KERNEL);
- memset(pg, 0, sizeof(*pg));
- INIT_LIST_HEAD(&pg->pgpaths);
+ if (pg)
+ INIT_LIST_HEAD(&pg->pgpaths);
return pg;
}
@@ -172,9 +168,8 @@ static struct multipath *alloc_multipath
{
struct multipath *m;
- m = kmalloc(sizeof(*m), GFP_KERNEL);
+ m = kzalloc(sizeof(*m), GFP_KERNEL);
if (m) {
- memset(m, 0, sizeof(*m));
INIT_LIST_HEAD(&m->priority_groups);
spin_lock_init(&m->lock);
m->queue_io = 1;
_
Patches currently in -mm which might be from mirq-linux@xxxxxxxxxxxx are
ide-fix-crash-on-repeated-reset.patch
dm-mpath-tidy-ctr.patch
dm-mpath-use-kzalloc.patch
-
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