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networking: convert many more places to skb_put_zero()

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There were many places that my previous spatch didn't find,
as pointed out by yuan linyu in various patches.

The following spatch found many more and also removes the
now unnecessary casts:

    @@
    identifier p, p2;
    expression len;
    expression skb;
    type t, t2;
    @@
    (
    -p = skb_put(skb, len);
    +p = skb_put_zero(skb, len);
    |
    -p = (t)skb_put(skb, len);
    +p = skb_put_zero(skb, len);
    )
    ... when != p
    (
    p2 = (t2)p;
    -memset(p2, 0, len);
    |
    -memset(p, 0, len);
    )

    @@
    type t, t2;
    identifier p, p2;
    expression skb;
    @@
    t *p;
    ...
    (
    -p = skb_put(skb, sizeof(t));
    +p = skb_put_zero(skb, sizeof(t));
    |
    -p = (t *)skb_put(skb, sizeof(t));
    +p = skb_put_zero(skb, sizeof(t));
    )
    ... when != p
    (
    p2 = (t2)p;
    -memset(p2, 0, sizeof(*p));
    |
    -memset(p, 0, sizeof(*p));
    )

    @@
    expression skb, len;
    @@
    -memset(skb_put(skb, len), 0, len);
    +skb_put_zero(skb, len);

Apply it to the tree (with one manual fixup to keep the
comment in vxlan.c, which spatch removed.)

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg
2017-06-16 14:29:19 +02:00
committed by David S. Miller
parent 61f73d1ea4
commit b080db5853
49 changed files with 89 additions and 169 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/core/pktgen.c
View File

@@ -2718,7 +2718,7 @@ static void pktgen_finalize_skb(struct pktgen_dev *pkt_dev, struct sk_buff *skb,
datalen -= sizeof(*pgh);
if (pkt_dev->nfrags <= 0) {
memset(skb_put(skb, datalen), 0, datalen);
skb_put_zero(skb, datalen);
} else {
int frags = pkt_dev->nfrags;
int i, len;
@@ -2729,7 +2729,7 @@ static void pktgen_finalize_skb(struct pktgen_dev *pkt_dev, struct sk_buff *skb,
frags = MAX_SKB_FRAGS;
len = datalen - frags * PAGE_SIZE;
if (len > 0) {
memset(skb_put(skb, len), 0, len);
skb_put_zero(skb, len);
datalen = frags * PAGE_SIZE;
}