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net: filter: fix warning on 32-bit arch

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fix compiler warning on 32-bit architectures:

net/core/filter.c: In function '__sk_run_filter':
net/core/filter.c:540:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
net/core/filter.c:550:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
net/core/filter.c:560:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov 2014-06-11 13:16:44 -07:00 committed by David S. Miller
parent 02c00c2ab0
commit 61f83d0d57
1 changed files with 3 additions and 3 deletions
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6
net/core/filter.c
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@ -537,7 +537,7 @@ load_word:
* BPF_R0 - 8/16/32-bit skb data converted to cpu endianness
*/
ptr = load_pointer((struct sk_buff *) CTX, off, 4, &tmp);
ptr = load_pointer((struct sk_buff *) (unsigned long) CTX, off, 4, &tmp);
if (likely(ptr != NULL)) {
BPF_R0 = get_unaligned_be32(ptr);
CONT;
@ -547,7 +547,7 @@ load_word:
LD_ABS_H: /* BPF_R0 = ntohs(*(u16 *) (skb->data + imm32)) */
off = IMM;
load_half:
ptr = load_pointer((struct sk_buff *) CTX, off, 2, &tmp);
ptr = load_pointer((struct sk_buff *) (unsigned long) CTX, off, 2, &tmp);
if (likely(ptr != NULL)) {
BPF_R0 = get_unaligned_be16(ptr);
CONT;
@ -557,7 +557,7 @@ load_half:
LD_ABS_B: /* BPF_R0 = *(u8 *) (skb->data + imm32) */
off = IMM;
load_byte:
ptr = load_pointer((struct sk_buff *) CTX, off, 1, &tmp);
ptr = load_pointer((struct sk_buff *) (unsigned long) CTX, off, 1, &tmp);
if (likely(ptr != NULL)) {
BPF_R0 = *(u8 *)ptr;
CONT;