Commit 9d23f9e9 authored Jun 13, 2012 by Clemens Ladisch Committed by Stefan Richter Jun 17, 2012

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>

parent 7baab9ac

drivers/firewire/core-iso.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;