net/bootp.c: fix compile warning

Fix warning: bootp.c:695: warning: dereferencing type-punned pointer
will break strict-aliasing rules

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Ben Warren <biggerbadderben@gmail.com>

diff --git a/net/bootp.c b/net/bootp.c
index 0799ae2b0fc4a4f9103d21e6bd73c9cc64df3a91..309385278f35c93f89b3f28a9104e243544944ee 100644 (file)
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -683,6 +683,9 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp)
 {
        uchar *end = popt + BOOTP_HDR_SIZE;
        int oplen, size;
+#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
+       int *to_ptr;
+#endif
 
        while (popt < end && *popt != 0xff) {
                oplen = *(popt + 1);
@@ -692,7 +695,8 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp)
                        break;
 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
                case 2:         /* Time offset  */
-                       NetCopyLong ((ulong *)&NetTimeOffset, (ulong *) (popt + 2));
+                       to_ptr = &NetTimeOffset;
+                       NetCopyLong ((ulong *)to_ptr, (ulong *)(popt + 2));
                        NetTimeOffset = ntohl (NetTimeOffset);
                        break;
 #endif