dmaengine: pl330: Remove non-NULL check for pl330_submit_req parameters
The pl330_submit_req() checked supplied 'struct pl330_thread thrd' and 'struct dma_pl330_desc desc' parameters for non-NULL. However these checks are useless because supplied arguments won't be NULL. The pl330_submit_req() is called in only one place and: 1. 'desc' is already dereferenced in fill_queue() before calling pl330_submit_req(). 2. 'thrd' is always dereferenced after calling fill_queue()->pl330_submit_req(). Removing the checks for non-NULL values fixes following warning: drivers/dma/pl330.c:1376 pl330_submit_req() warn: variable dereferenced before check 'thrd' (see line 1367) Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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