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authorJohannes Berg <johannes.berg@intel.com>2017-06-16 14:29:23 +0200
committerDavid S. Miller <davem@davemloft.net>2017-06-16 11:48:40 -0400
commitd58ff35122847a83ba55394e2ae3a1527b6febf5 (patch)
treee1ecf758e86519922c403f1aa88f19ef25a554ad /drivers/atm
parentaf72868b9070d1b843c829f0d0d0b22c04a20815 (diff)
networking: make skb_push & __skb_push return void pointers
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_push, __skb_push, skb_push_rcsum }; @@ - *(fn(SKB, LEN)) + *(u8 *)fn(SKB, LEN) @@ expression E, SKB, LEN; identifier fn = { skb_push, __skb_push, skb_push_rcsum }; type T; @@ - E = ((T *)(fn(SKB, LEN))) + E = fn(SKB, LEN) @@ expression SKB, LEN; identifier fn = { skb_push, __skb_push, skb_push_rcsum }; @@ - fn(SKB, LEN)[0] + *(u8 *)fn(SKB, LEN) Note that the last part there converts from push(...)[0] to the more idiomatic *(u8 *)push(...). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/atm')
-rw-r--r--drivers/atm/solos-pci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 4fc99ae1c534..c8f2ca6d8b29 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -1174,7 +1174,7 @@ static int psend(struct atm_vcc *vcc, struct sk_buff *skb)
}
}
- header = (void *)skb_push(skb, sizeof(*header));
+ header = skb_push(skb, sizeof(*header));
/* This does _not_ include the size of the header */
header->size = cpu_to_le16(pktlen);