Commit 99603966 authored by KAMBAROV, ZAUR's avatar KAMBAROV, ZAUR Committed by Linus Torvalds

[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: default avatarZaur Kambarov <zkambarov@coverity.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 7656f328
......@@ -579,10 +579,9 @@ static void udf_table_free_blocks(struct super_block * sb,
{
loffset = nextoffset;
aed->lengthAllocDescs = cpu_to_le32(adsize);
if (obh)
sptr = UDF_I_DATA(inode) + nextoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode) - adsize;
else
sptr = obh->b_data + nextoffset - adsize;
sptr = UDF_I_DATA(inode) + nextoffset -
udf_file_entry_alloc_offset(inode) +
UDF_I_LENEATTR(inode) - adsize;
dptr = nbh->b_data + sizeof(struct allocExtDesc);
memcpy(dptr, sptr, adsize);
nextoffset = sizeof(struct allocExtDesc) + adsize;
......
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