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@@ -0,0 +1,84 @@
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+ From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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+ From: Marta Lewandowska <mlewando@redhat.com>
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+ Date: Mon, 9 Oct 2023 08:53:18 +0200
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+ Subject: [PATCH] add flag to only search root dev
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+
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+ fixes bz#2223437
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+
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+ Signed-off-by: Marta Lewandowska <mlewando@redhat.com>
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+ ---
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+ grub-core/commands/search.c | 8 ++++++++
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+ grub-core/commands/search_wrap.c | 5 +++++
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+ include/grub/search.h | 3 ++-
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+ 3 files changed, 15 insertions(+), 1 deletion(-)
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+
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+ diff --git a/grub-core/commands/search.c b/grub-core/commands/search.c
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+ index 57d26ced8a8e..188d4c49d1ae 100644
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+ --- a/grub-core/commands/search.c
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+ +++ b/grub-core/commands/search.c
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+ @@ -59,6 +59,7 @@ static int
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+ iterate_device (const char *name, void *data)
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+ {
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+ struct search_ctx *ctx = data;
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+ + const char *root_dev;
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+ int found = 0;
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+
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+ /* Skip floppy drives when requested. */
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+ @@ -85,6 +86,13 @@ iterate_device (const char *name, void *data)
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+ grub_device_close (dev);
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+ }
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+
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+ + /* Skip it if it's not the root device when requested. */
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+ + root_dev = grub_env_get ("root");
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+ + if (ctx->flags & SEARCH_FLAGS_ROOTDEV_ONLY &&
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+ + (name[0] != root_dev[0] || name[1] != root_dev[1] ||
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+ + name[2] != root_dev[2]))
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+ + return 0;
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+ +
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+ #ifdef DO_SEARCH_FS_UUID
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+ #define compare_fn grub_strcasecmp
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+ #else
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+ diff --git a/grub-core/commands/search_wrap.c b/grub-core/commands/search_wrap.c
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+ index 0b62acf85359..06b5f51eefb5 100644
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+ --- a/grub-core/commands/search_wrap.c
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+ +++ b/grub-core/commands/search_wrap.c
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+ @@ -41,6 +41,7 @@ static const struct grub_arg_option options[] =
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+ ARG_TYPE_STRING},
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+ {"no-floppy", 'n', 0, N_("Do not probe any floppy drive."), 0, 0},
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+ {"efidisk-only", 0, 0, N_("Only probe EFI disks."), 0, 0},
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+ + {"root-dev-only", 'r', 0, N_("Only probe root device."), 0, 0},
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+ {"hint", 'h', GRUB_ARG_OPTION_REPEATABLE,
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+ N_("First try the device HINT. If HINT ends in comma, "
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+ "also try subpartitions"), N_("HINT"), ARG_TYPE_STRING},
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+ @@ -75,6 +76,7 @@ enum options
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+ SEARCH_SET,
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+ SEARCH_NO_FLOPPY,
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+ SEARCH_EFIDISK_ONLY,
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+ + SEARCH_ROOTDEV_ONLY,
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+ SEARCH_HINT,
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+ SEARCH_HINT_IEEE1275,
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+ SEARCH_HINT_BIOS,
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+ @@ -189,6 +191,9 @@ grub_cmd_search (grub_extcmd_context_t ctxt, int argc, char **args)
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+ if (state[SEARCH_EFIDISK_ONLY].set)
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+ flags |= SEARCH_FLAGS_EFIDISK_ONLY;
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+
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+ + if (state[SEARCH_ROOTDEV_ONLY].set)
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+ + flags |= SEARCH_FLAGS_ROOTDEV_ONLY;
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+ +
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+ if (state[SEARCH_LABEL].set)
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+ grub_search_label (id, var, flags, hints, nhints);
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+ else if (state[SEARCH_FS_UUID].set)
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+ diff --git a/include/grub/search.h b/include/grub/search.h
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+ index 4190aeb2cbf5..321d1400e451 100644
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+ --- a/include/grub/search.h
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+ +++ b/include/grub/search.h
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+ @@ -22,7 +22,8 @@
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+ enum search_flags
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+ {
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+ SEARCH_FLAGS_NO_FLOPPY = 1,
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+ - SEARCH_FLAGS_EFIDISK_ONLY = 2
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+ + SEARCH_FLAGS_EFIDISK_ONLY = 2,
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+ + SEARCH_FLAGS_ROOTDEV_ONLY = 4
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+ };
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+
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+ void grub_search_fs_file (const char *key, const char *var,
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nfrayer
commented 7 months ago
Resolves: #2223437
Signed-off-by: Nicolas Frayer nfrayer@redhat.com