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Staging: rdma: ipath: Use kcalloc instead of kzalloc to allocate array

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The advantage of kcalloc is, that will prevent integer overflows which
could result from the multiplication of number of elements and size and
it is also a bit nicer to read.

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shraddha Barke 2015-10-09 21:03:27 +05:30 committed by Greg Kroah-Hartman
parent 314fcc0d53
commit be036bbe2c
3 changed files with 3 additions and 3 deletions
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2
drivers/staging/rdma/ipath/ipath_init_chip.c
View File

@ -264,7 +264,7 @@ static int init_chip_first(struct ipath_devdata *dd)
* Allocate full portcnt array, rather than just cfgports, because
* cleanup iterates across all possible ports.
*/
dd->ipath_pd = kzalloc(sizeof(*dd->ipath_pd) * dd->ipath_portcnt,
dd->ipath_pd = kcalloc(dd->ipath_portcnt, sizeof(*dd->ipath_pd),
GFP_KERNEL);
if (!dd->ipath_pd) {

2
drivers/staging/rdma/ipath/ipath_qp.c
View File

@ -1027,7 +1027,7 @@ int ipath_init_qp_table(struct ipath_ibdev *idev, int size)
idev->qp_table.last = 1; /* QPN 0 and 1 are special. */
idev->qp_table.max = size;
idev->qp_table.nmaps = 1;
idev->qp_table.table = kzalloc(size * sizeof(*idev->qp_table.table),
idev->qp_table.table = kcalloc(size, sizeof(*idev->qp_table.table),
GFP_KERNEL);
if (idev->qp_table.table == NULL) {
ret = -ENOMEM;

2
drivers/staging/rdma/ipath/ipath_verbs.c
View File

@ -2059,7 +2059,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
* the LKEY). The remaining bits act as a generation number or tag.
*/
idev->lk_table.max = 1 << ib_ipath_lkey_table_size;
idev->lk_table.table = kzalloc(idev->lk_table.max *
idev->lk_table.table = kcalloc(idev->lk_table.max,
sizeof(*idev->lk_table.table),
GFP_KERNEL);
if (idev->lk_table.table == NULL) {