From 086ed9a0bcca0201301b74a0c5160c04f2f38f8b Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Fri, 13 Dec 2013 10:47:28 +0000 Subject: [PATCH] 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: Linus Walleij Reported-by: Dan Carpenter Signed-off-by: Lee Jones Signed-off-by: Felipe Balbi --- drivers/usb/musb/ux500_dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c index 3700e9713258..9aad00f11bd5 100644 --- a/drivers/usb/musb/ux500_dma.c +++ b/drivers/usb/musb/ux500_dma.c @@ -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", -- 2.20.1