| Message ID | 20170817141449.23958-7-wsa+renesas@sang-engineering.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 6f638bbc922db4..bbc7aadb4c899d 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -280,6 +280,8 @@ static noinline int i2cdev_ioctl_rdwr(struct i2c_client *client, res = PTR_ERR(rdwr_pa[i].buf); break; } + /* memdup_user allocates with GFP_KERNEL, so DMA is ok */ + rdwr_pa[i].flags |= I2C_M_DMA_SAFE; /* * If the message length is received from the slave (similar
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- drivers/i2c/i2c-dev.c | 2 ++ 1 file changed, 2 insertions(+)