mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-24 01:41:39 +00:00
Code Issues Releases Wiki Activity

i2c: imx: Fix PM reference leak in i2c_imx_reg_slave()

Browse source 
pm_runtime_get_sync() will increment the PM reference count even on
failure. Forgetting to put the reference again will result in a leak.

Replace it with pm_runtime_resume_and_get() to keep the usage counter
balanced.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ye Weihua <yeweihua4@huawei.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Ye Weihua 2021-04-08 19:06:38 +08:00 committed by Wolfram Sang
parent a85c5c7a3a
commit c4b1fcc310
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/i2c/busses/i2c-imx.c
View file

@ -801,7 +801,7 @@ static int i2c_imx_reg_slave(struct i2c_client *client)
i2c_imx->last_slave_event = I2C_SLAVE_STOP;
/* Resume */
ret = pm_runtime_get_sync(i2c_imx->adapter.dev.parent);
ret = pm_runtime_resume_and_get(i2c_imx->adapter.dev.parent);
if (ret < 0) {
dev_err(&i2c_imx->adapter.dev, "failed to resume i2c controller");
return ret;