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| author |   Brian Norris <computersforpeace@gmail.com> | 2015-02-28 02:13:13 -0800 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2015-05-06 20:02:37 -0700 |
| commit | f5cd2ae1e4ad23bc6527b4a667d3f27534730cc5 (patch) | |
| tree | db6afc8de0be0581cffc2d7a0999f13614514f4a /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | mtd: nand_bbt: unify/fix error handling in nand_scan_bbt() (diff) | |
| download | wireguard-linux-f5cd2ae1e4ad23bc6527b4a667d3f27534730cc5.tar.xz wireguard-linux-f5cd2ae1e4ad23bc6527b4a667d3f27534730cc5.zip | |
mtd: nand_bbt: fix theoretical integer overflow in BBT write
This statement was written with a cast-to-loff_t to be sure to have a
full 64-bit mask. However, we don't account for the fact that
'1 << this->bbt_erase_shift' might already overflow.
This will not be a problem in practice, since eraseblocks should never
be anywhere near 4GiB. But we can do this for completeness, and quiet
Coverity in the meantime. CID #1226806.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
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