提交 65d234db 编写于 作者: T Tony Lindgren 提交者: Zheng Zengkai

crypto: omap-sham - clear dma flags only after omap_sham_update_dma_stop()

stable inclusion
from stable-5.10.65
commit 104adbffbe4c62c89f396bb6d37c0c6099b75879
bugzilla: 182361 https://gitee.com/openeuler/kernel/issues/I4EH3U

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=104adbffbe4c62c89f396bb6d37c0c6099b75879

--------------------------------

[ Upstream commit fe28140b ]

We should not clear FLAGS_DMA_ACTIVE before omap_sham_update_dma_stop() is
done calling dma_unmap_sg(). We already clear FLAGS_DMA_ACTIVE at the
end of omap_sham_update_dma_stop().

The early clearing of FLAGS_DMA_ACTIVE is not causing issues as we do not
need to defer anything based on FLAGS_DMA_ACTIVE currently. So this can be
applied as clean-up.

Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Tero Kristo <kristo@kernel.org>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
上级 5d5e42f8
......@@ -1736,7 +1736,7 @@ static void omap_sham_done_task(unsigned long data)
if (test_and_clear_bit(FLAGS_OUTPUT_READY, &dd->flags))
goto finish;
} else if (test_bit(FLAGS_DMA_READY, &dd->flags)) {
if (test_and_clear_bit(FLAGS_DMA_ACTIVE, &dd->flags)) {
if (test_bit(FLAGS_DMA_ACTIVE, &dd->flags)) {
omap_sham_update_dma_stop(dd);
if (dd->err) {
err = dd->err;
......
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