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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-01 20:46:14 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-01 20:46:14 +0200 |
| commit | 670e23ceb1aefacfe9aeccfc871e28e9cf973286 (patch) | |
| tree | 4776bfd34fd74754dc30fe50574f8fb0e2bdb5fe /drivers | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.25 (diff) | |
| parent | firewire: fw-ohci: plug dma memory leak in AR handler (diff) | |
| download | linux-670e23ceb1aefacfe9aeccfc871e28e9cf973286.tar.xz linux-670e23ceb1aefacfe9aeccfc871e28e9cf973286.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: fw-ohci: plug dma memory leak in AR handler
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firewire/fw-ohci.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index 996d61f0d460..ca6d51efd8bb 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -401,7 +401,8 @@ static void ar_context_tasklet(unsigned long data) if (d->res_count == 0) { size_t size, rest, offset; - dma_addr_t buffer_bus; + dma_addr_t start_bus; + void *start; /* * This descriptor is finished and we may have a @@ -410,9 +411,9 @@ static void ar_context_tasklet(unsigned long data) */ offset = offsetof(struct ar_buffer, data); - buffer_bus = le32_to_cpu(ab->descriptor.data_address) - offset; + start = buffer = ab; + start_bus = le32_to_cpu(ab->descriptor.data_address) - offset; - buffer = ab; ab = ab->next; d = &ab->descriptor; size = buffer + PAGE_SIZE - ctx->pointer; @@ -427,7 +428,7 @@ static void ar_context_tasklet(unsigned long data) buffer = handle_ar_packet(ctx, buffer); dma_free_coherent(ohci->card.device, PAGE_SIZE, - buffer, buffer_bus); + start, start_bus); ar_context_add_page(ctx); } else { buffer = ctx->pointer; |