Btrfs: Fix integer overflow when calculating bytes_per_bitmap

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On ppc64, bytes_per_bitmap will be (65536*8*65536). Hence append UL to
fix integer overflow.

Reviewed-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: Feifei Xu <xufeifei@linux.vnet.ibm.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Feifei Xu 2016-06-01 19:18:24 +08:00 • committed by David Sterba

parent 5473e0c426

commit 0ef6447a3d

2 changed files with 7 additions and 7 deletions

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12

fs/btrfs/free-space-cache.c

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2

fs/btrfs/tests/free-space-tests.c

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