From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexei Starovoitov Subject: [PATCH net-next] net: filter: fix warning on 32-bit arch Date: Wed, 11 Jun 2014 13:16:44 -0700 Message-ID: <1402517804-4301-1-git-send-email-ast@plumgrid.com> Cc: Daniel Borkmann , Fengguang Wu , netdev@vger.kernel.org To: "David S. Miller" Return-path: Received: from mail-pd0-f171.google.com ([209.85.192.171]:53454 "EHLO mail-pd0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751236AbaFKUQt (ORCPT ); Wed, 11 Jun 2014 16:16:49 -0400 Received: by mail-pd0-f171.google.com with SMTP id ft15so168223pdb.16 for ; Wed, 11 Jun 2014 13:16:48 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: 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 Signed-off-by: Alexei Starovoitov --- tested on qemu-arm32 net/core/filter.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/core/filter.c b/net/core/filter.c index b3f21751b238..735fad897496 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -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; -- 1.7.9.5