clk: qoriq: fix memory leak

If get_pll_div() fails we exited by returning NULL but we missed
releasing hwc.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Fixes: 0dfc86b3173f ("clk: qoriq: Move chip-specific knowledge into driver")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index 1ab0fb81c6a0ef7746d77427c488bdb84235011a..7bc1c4527ae48d0baad2ebb4e141385e695ff8f4 100644 (file)
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -778,8 +778,10 @@ static struct clk * __init create_one_cmux(struct clockgen *cg, int idx)
         */
        clksel = (cg_in(cg, hwc->reg) & CLKSEL_MASK) >> CLKSEL_SHIFT;
        div = get_pll_div(cg, hwc, clksel);
-       if (!div)
+       if (!div) {
+               kfree(hwc);
                return NULL;
+       }
 
        pct80_rate = clk_get_rate(div->clk);
        pct80_rate *= 8;