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authorTom Rix <trix@redhat.com>2021-12-18 07:27:12 -0800
committerBartosz Golaszewski <brgl@bgdev.pl>2021-12-19 14:47:30 +0100
commitc08995bff202f102c0eff7b799b6b91b748a02a2 (patch)
treefc373967e87dcbc7e79b06a5a1b7c275d0786455
parentgpio: Propagate firmware node from a parent device (diff)
downloadlinux-dev-c08995bff202f102c0eff7b799b6b91b748a02a2.tar.xz
linux-dev-c08995bff202f102c0eff7b799b6b91b748a02a2.zip
gpio: sim: fix uninitialized ret variable
Building with clang returns this error: gpio-sim.c:889:7: error: variable 'ret' is uninitialized when used here ret should be the status of the call to gpio_sim_make_bank_swnode stored in bank->swnode. Fixes: 83960fcf4818 ("gpio: sim: new testing module") Signed-off-by: Tom Rix <trix@redhat.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
-rw-r--r--drivers/gpio/gpio-sim.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c
index ef6145f51c8a..bef00dcc4dc8 100644
--- a/drivers/gpio/gpio-sim.c
+++ b/drivers/gpio/gpio-sim.c
@@ -886,7 +886,8 @@ static int gpio_sim_device_activate_unlocked(struct gpio_sim_device *dev)
list_for_each_entry(bank, &dev->bank_list, siblings) {
bank->swnode = gpio_sim_make_bank_swnode(bank, swnode);
- if (ret) {
+ if (IS_ERR(bank->swnode)) {
+ ret = PTR_ERR(bank->swnode);
gpio_sim_remove_swnode_recursive(swnode);
return ret;
}