Re: [PATCH v2 0/4] DMA: PL330: Fix mem leaks and balance probe/remove

From: Jassi Brar
Date: Sat Oct 13 2012 - 07:04:04 EST


On Fri, Oct 5, 2012 at 3:47 PM, Inderpal Singh
<inderpal.singh@xxxxxxxxxx> wrote:
> The first 2 patches of this series fix memory leaks because the memory
> allocated for peripheral channels and DMA descriptors were not getting
> freed.
>
> The last 2 patches balance the module's remove function.
>
> This series depends on "61c6e7531d3b66b3 ........DMA: PL330: Check the
> pointer returned by kzalloc" which is on slave-dma's "fixes" branch.
> Hence slave-dma tree's "next" branch was merged with "fixes" and
> applied patch at [1] to fix the build error.
>
> [1] http://permalink.gmane.org/gmane.linux.kernel.next/24274
>
> Changes since v1:
> - Protect only list_add_tail with spin_locks
> - Return EBUSY from remove if channel is in use
> - unregister dma_device in remove
>
> Inderpal Singh (4):
> DMA: PL330: Free memory allocated for peripheral channels
> DMA: PL330: Change allocation method to properly free DMA
> descriptors
> DMA: PL330: Balance module remove function with probe
> DMA: PL330: unregister dma_device in module's remove function
>
> drivers/dma/pl330.c | 53 ++++++++++++++++++++++++++++++++++++---------------
> 1 file changed, 38 insertions(+), 15 deletions(-)
>
All seem fine.
Acked-by: Jassi Brar <jassisinghbrar@xxxxxxxxx>

Thanks.
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