From: Zhang Qilong zhangqilong3@huawei.com
[ Upstream commit ee5558a9084584015c8754ffd029ce14a5827fa8 ]
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to pm_runtime_put_noidle will result in reference leak in img_spfi_resume, so we should fix it.
Fixes: deba25800a12b ("spi: Add driver for IMG SPFI controller") Signed-off-by: Zhang Qilong zhangqilong3@huawei.com Link: https://lore.kernel.org/r/20201102145651.3875-1-zhangqilong3@huawei.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/spi/spi-img-spfi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index 2e65b70c78792..2a340234c85c1 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -771,8 +771,10 @@ static int img_spfi_resume(struct device *dev) int ret;
ret = pm_runtime_get_sync(dev); - if (ret) + if (ret) { + pm_runtime_put_noidle(dev); return ret; + } spfi_reset(spfi); pm_runtime_put(dev);