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| author | Nishka Dasgupta <nishkadg.linux@gmail.com> | 2019-08-04 19:02:00 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-17 22:35:07 +0300 |
| commit | 0c72a9f1f9dd3ce80ca7976c8534a095f4743483 (patch) | |
| tree | 30ef8040f82af3dfbdecbdb4ca18988b873262c9 /drivers/pinctrl | |
| parent | 935057b02087c8729d6e0ae72aaf42a2b45a4d21 (diff) | |
| download | linux-0c72a9f1f9dd3ce80ca7976c8534a095f4743483.tar.xz | |
pinctrl: samsung: Add of_node_put() before return in error path
commit 3d2557ab75d4c568c79eefa2e550e0d80348a6bd upstream.
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 of
exynos_eint_wkup_init() error path.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Cc: <stable@vger.kernel.org>
Fixes: 14c255d35b25 ("pinctrl: exynos: Add irq_chip instance for Exynos7 wakeup interrupts")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/samsung/pinctrl-exynos.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index f49ea3d92aa1..c58812a28a99 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -494,8 +494,10 @@ int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) if (match) { irq_chip = kmemdup(match->data, sizeof(*irq_chip), GFP_KERNEL); - if (!irq_chip) + if (!irq_chip) { + of_node_put(np); return -ENOMEM; + } wkup_np = np; break; } |