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(parent: 0e24acd) | patch
Btrfs: Fix integer overflow when calculating bytes_per_bitmap
authorFeifei Xu <xufeifei@linux.vnet.ibm.com>
Wed, 1 Jun 2016 11:18:24 +0000 (19:18 +0800)
committerDavid Sterba <dsterba@suse.com>
Thu, 2 Jun 2016 17:22:49 +0000 (19:22 +0200)
commit2f5c58d3de5dc29675f5d8993870c6c3b87b0f19
tree4a6640e63442d44d32bedc2a6c854d998bc79872tree | snapshot
parent0e24acde0c450928005e08411a8da042d5ace9adcommit | diff
Btrfs: Fix integer overflow when calculating bytes_per_bitmap

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>
fs/btrfs/free-space-cache.c diff | blob | history
fs/btrfs/tests/free-space-tests.c diff | blob | history
Linux Kernel Source Tree.