120 lines
3.3 KiB
Diff
120 lines
3.3 KiB
Diff
From 143156f6eb6dc06491c5c4c9a5fad15646fa8c31 Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Fri, 1 Mar 2013 10:37:11 +0100
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Subject: [PATCH 173/482] * grub-core/disk/efi/efidisk.c: Transform
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iterate_child_devices into a FOR_CHILDREN macro.
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---
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ChangeLog | 5 ++++
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grub-core/disk/efi/efidisk.c | 55 +++++++++++++++++---------------------------
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2 files changed, 26 insertions(+), 34 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 986871c..ccd6c0a 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,10 @@
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2013-03-01 Vladimir Serbinenko <phcoder@gmail.com>
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+ * grub-core/disk/efi/efidisk.c: Transform iterate_child_devices into
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+ a FOR_CHILDREN macro.
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+
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+2013-03-01 Vladimir Serbinenko <phcoder@gmail.com>
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+
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* grub-core/kern/main.c (grub_set_prefix_and_root): Strip trailing
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platform from firmware path.
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diff --git a/grub-core/disk/efi/efidisk.c b/grub-core/disk/efi/efidisk.c
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index 19c5923..c883b2c 100644
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--- a/grub-core/disk/efi/efidisk.c
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+++ b/grub-core/disk/efi/efidisk.c
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@@ -175,39 +175,29 @@ find_parent_device (struct grub_efidisk_data *devices,
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}
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static int
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-iterate_child_devices (struct grub_efidisk_data *devices,
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- struct grub_efidisk_data *d,
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- int (*hook) (struct grub_efidisk_data *child))
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+is_child (struct grub_efidisk_data *child,
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+ struct grub_efidisk_data *parent)
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{
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- struct grub_efidisk_data *p;
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-
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- for (p = devices; p; p = p->next)
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- {
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- grub_efi_device_path_t *dp, *ldp;
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-
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- dp = duplicate_device_path (p->device_path);
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- if (! dp)
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- return 0;
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-
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- ldp = find_last_device_path (dp);
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- ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
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- ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
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- ldp->length[0] = sizeof (*ldp);
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- ldp->length[1] = 0;
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+ grub_efi_device_path_t *dp, *ldp;
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+ int ret;
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- if (grub_efi_compare_device_paths (dp, d->device_path) == 0)
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- if (hook (p))
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- {
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- grub_free (dp);
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- return 1;
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- }
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+ dp = duplicate_device_path (child->device_path);
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+ if (! dp)
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+ return 0;
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- grub_free (dp);
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- }
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+ ldp = find_last_device_path (dp);
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+ ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
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+ ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
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+ ldp->length[0] = sizeof (*ldp);
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+ ldp->length[1] = 0;
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- return 0;
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+ ret = (grub_efi_compare_device_paths (dp, parent->device_path) == 0);
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+ grub_free (dp);
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+ return ret;
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}
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+#define FOR_CHILDREN(p, dev) for (p = dev; p; p = p->next) if (is_child (p, d))
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+
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/* Add a device into a list of devices in an ascending order. */
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static void
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add_device (struct grub_efidisk_data **devices, struct grub_efidisk_data *d)
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@@ -655,9 +645,10 @@ grub_efidisk_get_device_handle (grub_disk_t disk)
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{
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struct grub_efidisk_data *devices;
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grub_efi_handle_t handle = 0;
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- auto int find_partition (struct grub_efidisk_data *c);
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+ struct grub_efidisk_data *c;
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- int find_partition (struct grub_efidisk_data *c)
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+ devices = make_devices ();
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+ FOR_CHILDREN (c, devices)
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{
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grub_efi_hard_drive_device_path_t hd;
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@@ -673,14 +664,10 @@ grub_efidisk_get_device_handle (grub_disk_t disk)
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== hd.partition_size))
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{
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handle = c->handle;
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- return 1;
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+ break;
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}
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-
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- return 0;
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}
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- devices = make_devices ();
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- iterate_child_devices (devices, d, find_partition);
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free_devices (devices);
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if (handle != 0)
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--
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1.8.2.1
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