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SubjectRe: [PATCH 2/5] drivers/s390/net: Drop memory allocation cast
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Thanks Julia, we have added your patch to our local repository and will
submit it for upstream integration.


> From: Julia Lawall <julia@diku.dk>
>
> Drop cast on the result of kmalloc and similar functions.
>
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> type T;
> @@
>
> - (T *)
> (\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|
> kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...))
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@diku.dk>
>
> ---
> drivers/s390/net/ctcm_main.c | 6 ++----
> drivers/s390/net/ctcm_mpc.c | 6 ++----
> drivers/s390/net/lcs.c | 3 +--
> drivers/s390/net/qeth_core_main.c | 2 +-
> 4 files changed, 6 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/s390/net/ctcm_main.c
> b/drivers/s390/net/ctcm_main.c
> index e35713d..4ecafbf 100644
> --- a/drivers/s390/net/ctcm_main.c
> +++ b/drivers/s390/net/ctcm_main.c
> @@ -1364,8 +1364,7 @@ static int add_channel(struct ccw_device *cdev,
> enum ctcm_channel_types type,
>
> ch->protocol = priv->protocol;
> if (IS_MPC(priv)) {
> - ch->discontact_th = (struct
> th_header *)
> -
> kzalloc(TH_HEADER_LENGTH, gfp_type());
> + ch->discontact_th =
> kzalloc(TH_HEADER_LENGTH, gfp_type());
> if (ch->discontact_th == NULL)
>
> goto nomem_return;
>
> @@ -1379,8 +1378,7 @@ static int add_channel(struct ccw_device *cdev,
> enum ctcm_channel_types type,
> } else
> ccw_num = 8;
>
> - ch->ccw = (struct ccw1 *)
> - kzalloc(ccw_num * sizeof(struct
> ccw1), GFP_KERNEL | GFP_DMA);
> + ch->ccw = kzalloc(ccw_num * sizeof(struct ccw1),
> GFP_KERNEL | GFP_DMA);
> if (ch->ccw == NULL)
>
> goto nomem_return;
>
> diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
> index 5978b39..87c24d2 100644
> --- a/drivers/s390/net/ctcm_mpc.c
> +++ b/drivers/s390/net/ctcm_mpc.c
> @@ -669,8 +669,7 @@ static void ctcmpc_send_sweep_resp(struct channel
> *rch)
>
> goto done;
> }
>
> - header = (struct th_sweep *)
> -
> kmalloc(sizeof(struct th_sweep), gfp_type());
> + header = kmalloc(sizeof(struct th_sweep),
> gfp_type());
>
> if (!header) {
> dev_kfree_skb_any(sweep_skb);
> @@ -1191,8 +1190,7 @@ static void ctcmpc_unpack_skb(struct channel
> *ch, struct sk_buff *pskb)
> skb_pull(pskb,
> new_len); /* point to next PDU */
> }
> } else {
> - mpcginfo = (struct mpcg_info *)
> -
> kmalloc(sizeof(struct mpcg_info), gfp_type());
> + mpcginfo = kmalloc(sizeof(struct
> mpcg_info), gfp_type());
> if (mpcginfo == NULL)
>
> goto done;
>
> diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
> index 9b19ea1..0f19d54 100644
> --- a/drivers/s390/net/lcs.c
> +++ b/drivers/s390/net/lcs.c
> @@ -1238,8 +1238,7 @@ lcs_set_mc_addresses(struct lcs_card *card,
> struct in_device *in4_dev)
> ipm = lcs_check_addr_entry(card,
> im4, buf);
> if (ipm != NULL)
> continue;
> /* Address already in list. */
> - ipm = (struct lcs_ipm_list *)
> -
> kzalloc(sizeof(struct lcs_ipm_list), GFP_ATOMIC);
> + ipm = kzalloc(sizeof(struct
> lcs_ipm_list), GFP_ATOMIC);
> if (ipm == NULL) {
> pr_info("Not enough
> memory to add"
> "
> new multicast entry!\n");
> diff --git a/drivers/s390/net/qeth_core_main.c
> b/drivers/s390/net/qeth_core_main.c
> index 3ba738b..065a3fa 100644
> --- a/drivers/s390/net/qeth_core_main.c
> +++ b/drivers/s390/net/qeth_core_main.c
> @@ -606,7 +606,7 @@ static int qeth_setup_channel(struct qeth_channel
> *channel)
>
> QETH_DBF_TEXT(SETUP, 2, "setupch");
> for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
> - channel->iob[cnt].data = (char *)
> + channel->iob[cnt].data =
>
> kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
> if (channel->iob[cnt].data == NULL)
> break;
>




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