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41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Mon, 8 Jan 2024 15:41:52 -0500
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Subject: [PATCH] btrfs: fix a bad null check
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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current gcc complains:
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grub-core/fs/btrfs.c: In function ‘grub_cmd_btrfs_info’:
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grub-core/fs/btrfs.c:2745:7: error: the comparison will always evaluate as ‘true’ for the address of ‘label’ will never be NULL [-Werror=address]
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2745 | if (data->sblock.label)
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| ^~~~
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grub-core/fs/btrfs.c:92:8: note: ‘label’ declared here
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92 | char label[0x100];
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| ^~~~~
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cc1: all warnings being treated as errors
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Obviously this check should be on the first data byte instead of the
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symbol itself.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/fs/btrfs.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/fs/btrfs.c b/grub-core/fs/btrfs.c
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index f14fe9c1bda..8e2b1e9f7bc 100644
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--- a/grub-core/fs/btrfs.c
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+++ b/grub-core/fs/btrfs.c
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@@ -2625,7 +2625,7 @@ grub_cmd_btrfs_info (grub_command_t cmd __attribute__ ((unused)), int argc,
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "failed to open fs");
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}
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- if (data->sblock.label)
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+ if (data->sblock.label[0])
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grub_printf("Label: '%s' ", data->sblock.label);
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else
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grub_printf("Label: none ");
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