• Johannes Berg's avatar
    networking: make skb_pull & friends return void pointers · af72868b
    Johannes Berg authored
    It seems like a historic accident that these return unsigned char *,
    and in many places that means casts are required, more often than not.
    
    Make these functions return void * and remove all the casts across
    the tree, adding a (u8 *) cast only where the unsigned char pointer
    was used directly, all done with the following spatch:
    
        @@
        expression SKB, LEN;
        typedef u8;
        identifier fn = {
                skb_pull,
                __skb_pull,
                skb_pull_inline,
                __pskb_pull_tail,
                __pskb_pull,
                pskb_pull
        };
        @@
        - *(fn(SKB, LEN))
        + *(u8 *)fn(SKB, LEN)
    
        @@
        expression E, SKB, LEN;
        identifier fn = {
                skb_pull,
                __skb_pull,
                skb_pull_inline,
                __pskb_pull_tail,
                __pskb_pull,
                pskb_pull
        };
        type T;
        @@
        - E = ((T *)(fn(SKB, LEN)))
        + E = fn(SKB, LEN)
    Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    af72868b
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