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-rw-r--r--drivers/i2c/i2c-dev.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 2cab27a68479..036a03f0d0a6 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -264,6 +264,8 @@ static noinline int i2cdev_ioctl_rdwr(struct i2c_client *client,
res = PTR_ERR(msgs[i].buf);
break;
}
+ /* memdup_user allocates with GFP_KERNEL, so DMA is ok */
+ msgs[i].flags |= I2C_M_DMA_SAFE;
/*
* If the message length is received from the slave (similar