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[PATCH] Transform kmem_cache_alloc()+memset(0) -> kmem_cache_zalloc().

Browse source 
Replace appropriate pairs of "kmem_cache_alloc()" + "memset(0)" with the
corresponding "kmem_cache_zalloc()" call.

Signed-off-by: Robert P. J. Day <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Roland McGrath <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: Greg KH <[email protected]>
Acked-by: Joel Becker <[email protected]>
Cc: Steven Whitehouse <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Michael Halcrow <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Stephen Smalley <[email protected]>
Cc: James Morris <[email protected]>
Cc: Chris Wright <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Robert P. J. Day 2007-02-10 01:45:03 -08:00 • committed by Linus Torvalds
commit c376222960
39 changed files with 48 additions and 103 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/infiniband/hw/ehca/ehca_cq.c
View file

@ -134,14 +134,13 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe,
if (cqe >= 0xFFFFFFFF - 64 - additional_cqe)
return ERR_PTR(-EINVAL);
my_cq = kmem_cache_alloc(cq_cache, GFP_KERNEL);
my_cq = kmem_cache_zalloc(cq_cache, GFP_KERNEL);
if (!my_cq) {
ehca_err(device, "Out of memory for ehca_cq struct device=%p",
device);
return ERR_PTR(-ENOMEM);
}
memset(my_cq, 0, sizeof(struct ehca_cq));
memset(&param, 0, sizeof(struct ehca_alloc_cq_parms));
spin_lock_init(&my_cq->spinlock);

6
drivers/infiniband/hw/ehca/ehca_mrmw.c
View file

@ -53,9 +53,8 @@ static struct ehca_mr *ehca_mr_new(void)
{
struct ehca_mr *me;
me = kmem_cache_alloc(mr_cache, GFP_KERNEL);
me = kmem_cache_zalloc(mr_cache, GFP_KERNEL);
if (me) {
memset(me, 0, sizeof(struct ehca_mr));
spin_lock_init(&me->mrlock);
} else
ehca_gen_err("alloc failed");
@ -72,9 +71,8 @@ static struct ehca_mw *ehca_mw_new(void)
{
struct ehca_mw *me;
me = kmem_cache_alloc(mw_cache, GFP_KERNEL);
me = kmem_cache_zalloc(mw_cache, GFP_KERNEL);
if (me) {
memset(me, 0, sizeof(struct ehca_mw));
spin_lock_init(&me->mwlock);
} else
ehca_gen_err("alloc failed");

3
drivers/infiniband/hw/ehca/ehca_pd.c
View file

@ -50,14 +50,13 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device,
{
struct ehca_pd *pd;
pd = kmem_cache_alloc(pd_cache, GFP_KERNEL);
pd = kmem_cache_zalloc(pd_cache, GFP_KERNEL);
if (!pd) {
ehca_err(device, "device=%p context=%p out of memory",
device, context);
return ERR_PTR(-ENOMEM);
}
memset(pd, 0, sizeof(struct ehca_pd));
pd->ownpid = current->tgid;
/*

3
drivers/infiniband/hw/ehca/ehca_qp.c
View file

@ -450,13 +450,12 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd,
if (pd->uobject && udata)
context = pd->uobject->context;
my_qp = kmem_cache_alloc(qp_cache, GFP_KERNEL);
my_qp = kmem_cache_zalloc(qp_cache, GFP_KERNEL);
if (!my_qp) {
ehca_err(pd->device, "pd=%p not enough memory to alloc qp", pd);
return ERR_PTR(-ENOMEM);
}
memset(my_qp, 0, sizeof(struct ehca_qp));
memset (&parms, 0, sizeof(struct ehca_alloc_qp_parms));
spin_lock_init(&my_qp->spinlock_s);
spin_lock_init(&my_qp->spinlock_r);