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From b4d5cf4819023ce07ecd39729cdd4cde8b59ca35 Mon Sep 17 00:00:00 2001
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From: Nate Clark <nate@neworld.us>
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Date: Wed, 4 Jan 2017 15:24:22 -0500
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Subject: [PATCH 174/176] libblkid/minix: Match minix superblock types
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All of the types in the minix super block are unsigned but in
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probe_minix they were being treated as signed. This would cause some of
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the extra sanity checks to pass on a non minix device. The types were
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updated to match the return types of the helper functions in
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disk-utils/minix_programs.h
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This can be checked by creating a swap partition with one of these UUIDs
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35f1f264-2468-471a-bc85-acc9f4bc04a3
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35f1f264-6824-471a-bc85-acc9f4bc04a3
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35f1f264-2478-471a-bc85-acc9f4bc04a3
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35f1f264-7824-471a-bc85-acc9f4bc04a3
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Prior to this change they would all be considered minix and swap by
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blkid.
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Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1594681
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Upstream: http://github.com/karelzak/util-linux/commit/a9975c1072c4975ec2df958188a80d89cabc6171
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Signed-off-by: Nate Clark <nate@neworld.us>
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---
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libblkid/src/superblocks/minix.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/libblkid/src/superblocks/minix.c b/libblkid/src/superblocks/minix.c
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index 3e80e5b22..a20d51f2c 100644
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--- a/libblkid/src/superblocks/minix.c
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+++ b/libblkid/src/superblocks/minix.c
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@@ -87,7 +87,8 @@ static int probe_minix(blkid_probe pr, const struct blkid_idmag *mag)
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if (version <= 2) {
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struct minix_super_block *sb = (struct minix_super_block *) data;
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- int zones, ninodes, imaps, zmaps, firstz;
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+ unsigned long zones, ninodes, imaps, zmaps;
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+ off_t firstz;
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if (sb->s_imap_blocks == 0 || sb->s_zmap_blocks == 0)
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return 1;
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--
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2.14.4
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