coresight: cti: Reduce scope for the variable 'cs_fwnode' in cti_plat_create_connection()

A local variable was used only within an else branch.
Thus move the definition for the variable “cs_fwnode” into
the corresponding code block.

This issue was detected by using the Coccinelle software.

Link: https://lore.kernel.org/r/c1b09b27-9012-324f-28d0-ba820dc468a5@web.de
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210201181351.1475223-2-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwtracing/coresight/coresight-cti-platform.c b/drivers/hwtracing/coresight/coresight-cti-platform.c
index 98f830c..ccef04f 100644 (file)
--- a/drivers/hwtracing/coresight/coresight-cti-platform.c
+++ b/drivers/hwtracing/coresight/coresight-cti-platform.c
@@ -343,7 +343,6 @@ static int cti_plat_create_connection(struct device *dev,
 {
        struct cti_trig_con *tc = NULL;
        int cpuid = -1, err = 0;
-       struct fwnode_handle *cs_fwnode = NULL;
        struct coresight_device *csdev = NULL;
        const char *assoc_name = "unknown";
        char cpu_name_str[16];
@@ -397,8 +396,9 @@ static int cti_plat_create_connection(struct device *dev,
                assoc_name = cpu_name_str;
        } else {
                /* associated device ? */
-               cs_fwnode = fwnode_find_reference(fwnode,
-                                                 CTI_DT_CSDEV_ASSOC, 0);
+               struct fwnode_handle *cs_fwnode = fwnode_find_reference(fwnode,
+                                                                       CTI_DT_CSDEV_ASSOC,
+                                                                       0);
                if (!IS_ERR(cs_fwnode)) {
                        assoc_name = cti_plat_get_csdev_or_node_name(cs_fwnode,
                                                                     &csdev);