| Message ID | 20190804155117.4753-1-nishkadg.linux@gmail.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | ea8cf5c518502a12cb5bab935fd7bc152822e520 |
| Headers | show |
| Series | pinctrl: nomadik: nomadik: Add of_node_put() before return | expand |
On Sun, Aug 4, 2019 at 5:51 PM Nishka Dasgupta <nishkadg.linux@gmail.com> wrote: > Each iteration of for_each_child_of_node puts the previous node, but in > the case of a return from the middle of the loop, there is no put, thus > causing a memory leak. Hence add an of_node_put before the return. > Issue found with Coccinelle. > > Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com> Patch applied. Yours, Linus Walleij
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c index ddd1f466d302..2a8190b11d10 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c @@ -1508,6 +1508,7 @@ static int nmk_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, &reserved_maps, num_maps); if (ret < 0) { pinctrl_utils_free_map(pctldev, *map, *num_maps); + of_node_put(np); return ret; } }
Each iteration of for_each_child_of_node puts the previous node, but in the case of a return from the middle of the loop, there is no put, thus causing a memory leak. Hence add an of_node_put before the return. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com> --- drivers/pinctrl/nomadik/pinctrl-nomadik.c | 1 + 1 file changed, 1 insertion(+)