btrfs: ref-verify: Remove unused parameter from walk_up_tree() to kill warning

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With gcc-4.1.2:

    fs/btrfs/ref-verify.c: In function ‘btrfs_build_ref_tree’:
    fs/btrfs/ref-verify.c:1017: warning: ‘root’ is used uninitialized in this function

The variable is indeed passed uninitialized, but it is never used by the
callee.  However, not all versions of gcc are smart enough to notice.

Hence remove the unused parameter from walk_up_tree() to silence the
compiler warning.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David Sterba <dsterba@suse.com>

...

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Geert Uytterhoeven 2017-11-15 16:04:40 +01:00 • committed by David Sterba

parent 6af49dbde9

commit 02cfe779cc

1 changed files with 2 additions and 4 deletions

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fs/btrfs/ref-verify.c

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