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| author | Clemens Ladisch <clemens@ladisch.de> | 2012-06-13 22:28:24 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2012-06-17 19:35:26 +0200 |
| commit | 9d23f9e946ad757344792a20ba5152f3a921688b (patch) | |
| tree | 78150f984dc021fc2219e0183bed6f6fe3f9c1f5 /drivers/firewire/core-iso.c | |
| parent | firewire: ohci: sanity-check MMIO resource (diff) | |
| download | linux-9d23f9e946ad757344792a20ba5152f3a921688b.tar.xz linux-9d23f9e946ad757344792a20ba5152f3a921688b.zip | |
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>
Diffstat (limited to 'drivers/firewire/core-iso.c')
| -rw-r--r-- | drivers/firewire/core-iso.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index 8382e27e9a27..38c0aa60b2cb 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -146,7 +146,7 @@ EXPORT_SYMBOL(fw_iso_buffer_destroy); /* Convert DMA address to offset into virtually contiguous buffer. */ size_t fw_iso_buffer_lookup(struct fw_iso_buffer *buffer, dma_addr_t completed) { - int i; + size_t i; dma_addr_t address; ssize_t offset; |