Messages in this thread Patch in this message | | | From | Lee Jones <> | Subject | [PATCH 1/1] usb: musb: ux500_dma: fix potential NULL dereference error | Date | Fri, 13 Dec 2013 10:47:28 +0000 |
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static checker warning: "drivers/usb/musb/ux500_dma.c:335 ux500_dma_controller_start() error: potential NULL dereference 'param_array'."
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> --- 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 3700e97..9aad00f 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", -- 1.8.3.2
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