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From af63e7cec2c4b0bcd59ff4d8ad323635443f3054 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Mon, 11 Jul 2016 15:57:28 -0400
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Subject: [PATCH 208/208] efinet: fix some coverity gripes.
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Related: rhbz#1154226
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/net/bootp.c | 9 +++++----
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grub-core/net/drivers/efi/efinet.c | 11 +++++++----
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2 files changed, 12 insertions(+), 8 deletions(-)
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diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
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index 4793ebc..46ce813 100644
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--- a/grub-core/net/bootp.c
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+++ b/grub-core/net/bootp.c
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@@ -349,10 +349,11 @@ grub_net_configure_by_dhcpv6_ack (const char *name,
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struct grub_net_network_level_address addr;
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int mask = -1;
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- if (device)
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- *device = 0;
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- if (path)
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- *path = 0;
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+ if (!device || !path)
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+ return NULL;
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+
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+ *device = 0;
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+ *path = 0;
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grub_dprintf ("net", "mac address is %02x:%02x:%02x:%02x:%02x:%02x\n",
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hwaddr->mac[0], hwaddr->mac[1], hwaddr->mac[2],
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diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c
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index e1955bc..ddee4e6 100644
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--- a/grub-core/net/drivers/efi/efinet.c
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+++ b/grub-core/net/drivers/efi/efinet.c
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@@ -474,6 +474,7 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device,
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if (pxe_mode->using_ipv6)
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{
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grub_net_link_level_address_t hwaddr;
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+ struct grub_net_network_level_interface *intf;
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grub_dprintf ("efinet", "using ipv6 and dhcpv6\n");
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grub_dprintf ("efinet", "dhcp_ack_received: %s%s\n",
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@@ -487,10 +488,12 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device,
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card->efi_net->mode->current_address,
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sizeof (hwaddr.mac));
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- grub_net_configure_by_dhcpv6_ack (card->name, card, 0,
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- &hwaddr, &pxe_mode->dhcp_ack.dhcpv6,
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- 1, device, path);
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- grub_dprintf ("efinet", "device: `%s' path: `%s'\n", *device, *path);
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+ intf = grub_net_configure_by_dhcpv6_ack (card->name, card, 0,
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+ &hwaddr,
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+ &pxe_mode->dhcp_ack.dhcpv6,
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+ 1, device, path);
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+ if (intf && device && path)
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+ grub_dprintf ("efinet", "device: `%s' path: `%s'\n", *device, *path);
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}
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else
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{
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--
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2.5.5
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