[pxe] Fall back to broadcast if no boot server multicast address exists
fetch_ipv4_setting() will zero its IPv4 address argument if no such setting exists, rather than leaving it untouched.
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@ -95,8 +95,9 @@ static int pxe_menu_parse ( struct pxe_menu **menu ) {
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/* Fetch relevant settings */
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/* Fetch relevant settings */
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tmp_setting.tag = DHCP_PXE_BOOT_SERVER_MCAST;
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tmp_setting.tag = DHCP_PXE_BOOT_SERVER_MCAST;
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server.s_addr = INADDR_BROADCAST;
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fetch_ipv4_setting ( NULL, &tmp_setting, &server );
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fetch_ipv4_setting ( NULL, &tmp_setting, &server );
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if ( ! server.s_addr )
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server.s_addr = INADDR_BROADCAST;
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tmp_setting.tag = DHCP_PXE_BOOT_MENU_PROMPT;
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tmp_setting.tag = DHCP_PXE_BOOT_MENU_PROMPT;
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fetch_setting ( NULL, &tmp_setting, &prompt, sizeof ( prompt ) );
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fetch_setting ( NULL, &tmp_setting, &prompt, sizeof ( prompt ) );
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tmp_setting.tag = DHCP_PXE_BOOT_MENU;
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tmp_setting.tag = DHCP_PXE_BOOT_MENU;
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