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dmaengine: hsu: Fix memory leak when stopping a running transfer

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The vd->node is removed from the lists when the transfer started so the
vchan_get_all_descriptors() will not find it. This results memory leak.

Signed-off-by: Peter Ujfalusi <[email protected]>
[andy: fix the typo to prevent a compilation error]
Signed-off-by: Andy Shevchenko <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Peter Ujfalusi 2015-05-26 13:11:28 +03:00 • committed by Vinod Koul
commit 429770823d
1 changed files with 4 additions and 1 deletions
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5
drivers/dma/hsu/hsu.c
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@ -384,7 +384,10 @@ static int hsu_dma_terminate_all(struct dma_chan *chan)
spin_lock_irqsave(&hsuc->vchan.lock, flags);
hsu_dma_stop_channel(hsuc);
hsuc->desc = NULL;
if (hsuc->desc) {
hsu_dma_desc_free(&hsuc->desc->vdesc);
hsuc->desc = NULL;
}
vchan_get_all_descriptors(&hsuc->vchan, &head);
spin_unlock_irqrestore(&hsuc->vchan.lock, flags);