[PATCH] coverity: udf/balloc.c null deref fix
It's doing if (obh) <stuff> else dereference obh So presumably `obh' is never null in there. This defect was found automatically by Coverity Prevent, a static analysis tool. Signed-off-by: Zaur Kambarov <zkambarov@coverity.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -579,10 +579,9 @@ static void udf_table_free_blocks(struct super_block * sb,
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{
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{
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loffset = nextoffset;
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loffset = nextoffset;
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aed->lengthAllocDescs = cpu_to_le32(adsize);
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aed->lengthAllocDescs = cpu_to_le32(adsize);
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if (obh)
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sptr = UDF_I_DATA(inode) + nextoffset -
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sptr = UDF_I_DATA(inode) + nextoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode) - adsize;
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udf_file_entry_alloc_offset(inode) +
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else
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UDF_I_LENEATTR(inode) - adsize;
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sptr = obh->b_data + nextoffset - adsize;
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dptr = nbh->b_data + sizeof(struct allocExtDesc);
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dptr = nbh->b_data + sizeof(struct allocExtDesc);
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memcpy(dptr, sptr, adsize);
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memcpy(dptr, sptr, adsize);
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nextoffset = sizeof(struct allocExtDesc) + adsize;
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nextoffset = sizeof(struct allocExtDesc) + adsize;
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