clk: scmi: fix scmi_clk_get_attibute()

Local variable out.name lives on the stack and therefore cannot
be returned directly. Move the strdup() call into the function.
(Coverity 352460)

Fixes: 7c33f78983c3 ("clk: scmi: register scmi clocks with CCF")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>

diff --git a/drivers/clk/clk_scmi.c b/drivers/clk/clk_scmi.c
index 5702268..5aaabcf 100644 (file)
--- a/drivers/clk/clk_scmi.c
+++ b/drivers/clk/clk_scmi.c
@@ -53,7 +53,7 @@ static int scmi_clk_get_attibute(struct udevice *dev, int clkid, char **name)
        if (ret)
                return ret;
 
-       *name = out.clock_name;
+       *name = strdup(out.clock_name);
 
        return 0;
 }
@@ -152,11 +152,9 @@ static int scmi_clk_probe(struct udevice *dev)
                return ret;
 
        for (i = 0; i < num_clocks; i++) {
-               char *name;
-
-               if (!scmi_clk_get_attibute(dev, i, &name)) {
-                       char *clock_name = strdup(name);
+               char *clock_name;
 
+               if (!scmi_clk_get_attibute(dev, i, &clock_name)) {
                        clk = kzalloc(sizeof(*clk), GFP_KERNEL);
                        if (!clk || !clock_name)
                                ret = -ENOMEM;