Messages in this thread Patch in this message | | | Date | Fri, 19 Jun 2020 12:08:43 -0500 | From | "Gustavo A. R. Silva" <> | Subject | [PATCH][next] rapidio: rio_mport_cdev: Use struct_size() helper |
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Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes.
This issue was found with the help of Coccinelle and, audited and fixed manually.
Addresses-KSPP-ID: https://github.com/KSPP/linux/issues/83 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/rapidio/devices/rio_mport_cdev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 451608e960a1..3abbba8c2b5b 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -1710,8 +1710,7 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv, if (rval & RIO_PEF_SWITCH) { rio_mport_read_config_32(mport, destid, hopcount, RIO_SWP_INFO_CAR, &swpinfo); - size += (RIO_GET_TOTAL_PORTS(swpinfo) * - sizeof(rswitch->nextdev[0])) + sizeof(*rswitch); + size += struct_size(rswitch, nextdev, RIO_GET_TOTAL_PORTS(swpinfo)); } rdev = kzalloc(size, GFP_KERNEL); -- 2.27.0
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