diff options
-rw-r--r-- | drivers/clk/clk-mux.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index 214045f6e989..fa817c317c2a 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -157,11 +157,11 @@ struct clk_hw *__clk_hw_register_mux(struct device *dev, struct device_node *np, struct clk_mux *mux; struct clk_hw *hw; struct clk_init_data init = {}; - u8 width = 0; int ret = -EINVAL; if (clk_mux_flags & CLK_MUX_HIWORD_MASK) { - width = fls(mask) - ffs(mask) + 1; + u8 width = fls(mask) - ffs(mask) + 1; + if (width + shift > 16) { pr_err("mux value exceeds LOWORD field\n"); return ERR_PTR(-EINVAL); |