[RFCv3,09/17,media] nxt6000: i2c bus error should return -EIO

Commit Message

Mauro Carvalho Chehab July 6, 2011, 6:03 p.m. UTC

-EFAULT is used to indicate that there were a problem when copying
data from/to userspace. Don't mix it with I2C bus error (-EIO).

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

Patch

diff --git a/drivers/media/dvb/frontends/nxt6000.c b/drivers/media/dvb/frontends/nxt6000.c
index a763ec7..6599b8f 100644
--- a/drivers/media/dvb/frontends/nxt6000.c
+++ b/drivers/media/dvb/frontends/nxt6000.c
@@ -50,7 +50,7 @@  static int nxt6000_writereg(struct nxt6000_state* state, u8 reg, u8 data)
 	if ((ret = i2c_transfer(state->i2c, &msg, 1)) != 1)
 		dprintk("nxt6000: nxt6000_write error (reg: 0x%02X, data: 0x%02X, ret: %d)\n", reg, data, ret);
 
-	return (ret != 1) ? -EFAULT : 0;
+	return (ret != 1) ? -EIO : 0;
 }
 
 static u8 nxt6000_readreg(struct nxt6000_state* state, u8 reg)