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Date: Sat, 13 Jun 2020 17:14:34 -0500 Message-Id: <20200613221436.8048-1-wu000273@umn.edu> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qiushi Wu pm_runtime_get_sync() increments the runtime PM usage counter even when it returns an error code. Thus call pm_runtime_put_noidle() if pm_runtime_get_sync() fails. Signed-off-by: Qiushi Wu --- drivers/i2c/busses/i2c-img-scb.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c index 98a89301ed2a..e13ca862fa97 100644 --- a/drivers/i2c/busses/i2c-img-scb.c +++ b/drivers/i2c/busses/i2c-img-scb.c @@ -1058,8 +1058,10 @@ static int img_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, } ret = pm_runtime_get_sync(adap->dev.parent); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_noidle(adap->dev.parent); return ret; + } for (i = 0; i < num; i++) { struct i2c_msg *msg = &msgs[i]; @@ -1159,8 +1161,10 @@ static int img_i2c_init(struct img_i2c *i2c) int ret; ret = pm_runtime_get_sync(i2c->adap.dev.parent); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_noidle(i2c->adap.dev.parent); return ret; + } rev = img_i2c_readl(i2c, SCB_CORE_REV_REG); if ((rev & 0x00ffffff) < 0x00020200) { -- 2.17.1