ext4: remove never taken branch from ext4_ext_shift_path_extents()
path[depth].p_hdr can never be NULL for a path passed to us (and even if it could, EXT_LAST_EXTENT() would make something != NULL from it). So just remove the branch. Coverity-id: 1196498 Signed-off-by: NJan Kara <jack@suse.cz> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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