*: use NULL for null pointers
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -149,7 +149,7 @@ errcode_t ext2fs_write_block_bitmap (ext2_filsys fs)
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static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
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{
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dgrp_t i;
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char *block_bitmap = 0, *inode_bitmap = 0;
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char *block_bitmap = NULL, *inode_bitmap = NULL;
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char *buf;
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errcode_t retval;
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int block_nbytes = (int) EXT2_BLOCKS_PER_GROUP(fs->super) / 8;
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