提交 086ed9a0 编写于 作者: L Lee Jones 提交者: Felipe Balbi

usb: musb: ux500_dma: fix potential NULL dereference error

static checker warning: "drivers/usb/musb/ux500_dma.c:335
ux500_dma_controller_start()
         error: potential NULL dereference 'param_array'."
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NFelipe Balbi <balbi@ti.com>
上级 5056ee83
......@@ -336,7 +336,9 @@ static int ux500_dma_controller_start(struct ux500_dma_controller *controller)
data ?
data->dma_filter :
NULL,
param_array[ch_num]);
param_array ?
param_array[ch_num] :
NULL);
if (!ux500_channel->dma_chan) {
ERR("Dma pipe allocation error dir=%d ch=%d\n",
......
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