[PATCH] lib: stackdepot: fix ignoring return value warning

[vjitta]

From: Vijayanand Jitta <vji...@codeaurora.org>

fix the below ignoring return value warning for kstrtobool
in is_stack_depot_disabled function.

lib/stackdepot.c: In function 'is_stack_depot_disabled':
lib/stackdepot.c:154:2: warning: ignoring return value of 'kstrtobool'
declared with attribute 'warn_unused_result' [-Wunused-result]

Fixes: b9779abb09a8 ("lib: stackdepot: add support to disable stack depot")
Signed-off-by: Vijayanand Jitta <vji...@codeaurora.org>
---
 lib/stackdepot.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index cc21116..49f67a0 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -151,8 +151,10 @@ static struct stack_record **stack_table;
 
 static int __init is_stack_depot_disabled(char *str)
 {
-       kstrtobool(str, &stack_depot_disable);
-       if (stack_depot_disable) {
+       int ret;
+
+       ret = kstrtobool(str, &stack_depot_disable);
+       if (!ret && stack_depot_disable) {
                pr_info("Stack Depot is disabled\n");
                stack_table = NULL;
        }
-- 
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