[PATCH 2/6] fpga: zynqmp: Initialized variables before using it
Xu Yilun
yilun.xu at intel.com
Fri Mar 11 06:28:14 PST 2022
On Tue, Mar 08, 2022 at 03:15:15PM +0530, Nava kishore Manne wrote:
> This patch initialized variables with the proper value.
> Addresses-Coverity: "uninit_use: Using uninitialized value"
>
> Signed-off-by: Nava kishore Manne <nava.manne at xilinx.com>
> ---
> drivers/fpga/zynqmp-fpga.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/zynqmp-fpga.c
> index c60f20949c47..e931d69819a7 100644
> --- a/drivers/fpga/zynqmp-fpga.c
> +++ b/drivers/fpga/zynqmp-fpga.c
> @@ -41,7 +41,7 @@ static int zynqmp_fpga_ops_write(struct fpga_manager *mgr,
> const char *buf, size_t size)
> {
> struct zynqmp_fpga_priv *priv;
> - dma_addr_t dma_addr;
> + dma_addr_t dma_addr = 0;
The first use of this variable is as an output parameter:
kbuf = dma_alloc_coherent(priv->dev, size, &dma_addr, GFP_KERNEL);
So I don't think it needs to be initialized as 0.
Thanks,
Yilun
> u32 eemi_flags = 0;
> char *kbuf;
> int ret;
> --
> 2.25.1
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