clk: zynqmp: handle fixed factor param query error

Return proper error code in case query for fixed factor
parameter fails. This also fixes build warning for set
but not used variable 'ret'.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Fixes: 3fde0e16d016 ("drivers: clk: Add ZynqMP clock driver")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c
index 9d7d297f0ea8d9b0fbc5c5e5a02c172b0ae14064..297f16a20bfc5d3bae8dd8806cc8585d851383c0 100644 (file)
--- a/drivers/clk/zynqmp/clkc.c
+++ b/drivers/clk/zynqmp/clkc.c
@@ -279,6 +279,9 @@ struct clk_hw *zynqmp_clk_register_fixed_factor(const char *name, u32 clk_id,
        qdata.arg1 = clk_id;
 
        ret = eemi_ops->query_data(qdata, ret_payload);
+       if (ret)
+               return ERR_PTR(ret);
+
        mult = ret_payload[1];
        div = ret_payload[2];