[PATCH 3/4] pinctrl: zynqmp: Ensure ret is initialised

[Andrew Goodbody]

In zynqmp_pinctrl_prepare_func_groups if called with func->ngroups == 0
then ret will not be assigned to before its value is returned on exit.
Initialise ret to ensure it is always valid.

This issue was found by Smatch.

Signed-off-by: Andrew Goodbody <andrew.goodbody at linaro.org>
---
 drivers/pinctrl/pinctrl-zynqmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c
index 6fa203a3b86..27dadbff8ca 100644
--- a/drivers/pinctrl/pinctrl-zynqmp.c
+++ b/drivers/pinctrl/pinctrl-zynqmp.c
@@ -204,7 +204,7 @@ static int zynqmp_pinctrl_prepare_func_groups(u32 fid,
 	const char **fgroups;
 	char name[MAX_GROUP_NAME_LEN];
 	u16 resp[NUM_GROUPS_PER_RESP] = {0};
-	int ret, index, i;
+	int ret = 0, index, i;
 
 	fgroups = kcalloc(func->ngroups, sizeof(*fgroups), GFP_KERNEL);
 	if (!fgroups)

-- 
2.39.5