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firewire: core: fix multichannel IR with buffers larger than 2 GB
authorClemens Ladisch <clemens@ladisch.de>
Wed, 13 Jun 2012 20:28:24 +0000 (22:28 +0200)
committerStefan Richter <stefanr@s5r6.in-berlin.de>
Sun, 17 Jun 2012 17:35:26 +0000 (19:35 +0200)
commit9d23f9e946ad757344792a20ba5152f3a921688b
tree78150f984dc021fc2219e0183bed6f6fe3f9c1f5tree | snapshot
parent7baab9acfb25934a32541d617cbc676abd1fbf5bcommit | diff
firewire: core: fix multichannel IR with buffers larger than 2 GB

With a 32-bit i, computing i<<PAGE_SHIFT might result in
an overflow and in an eventual sign-extension.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
drivers/firewire/core-iso.c diff | blob | history
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