btrfs: fix dereference before check

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The superblock's ->s_fs_info is properly set in btrfs_fill_super, after
a call to open_ctree, which derefereces it before check. Although
tree_root is set via btrfs_set_super, let's be defensive and leave the
check in place.

Signed-off-by: David Sterba <dsterba@suse.cz>

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David Sterba 2011-04-19 16:45:00 +02:00

parent edc95aec57

commit 4891aca2da

1 changed files with 3 additions and 2 deletions

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fs/btrfs/disk-io.c

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