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| author | Nishka Dasgupta <nishkadg.linux@gmail.com> | 2019-08-04 19:02:00 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2019-10-01 21:22:04 +0300 |
| commit | 3d2557ab75d4c568c79eefa2e550e0d80348a6bd (patch) | |
| tree | 158ef91e5eea10478e3855ea9a2033aa4aefd518 /drivers/pinctrl/samsung/pinctrl-exynos.c | |
| parent | 54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c (diff) | |
| download | linux-3d2557ab75d4c568c79eefa2e550e0d80348a6bd.tar.xz | |
pinctrl: samsung: Add of_node_put() before return in error path
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>
Diffstat (limited to 'drivers/pinctrl/samsung/pinctrl-exynos.c')
| -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 ebc27b06718c..e7f4cbad2c92 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -486,8 +486,10 @@ 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; } |