IRDA: cnt is off by 1
If no prior break occurs, cnt reaches 101 after the loop, so we are still able to change speed when cnt has become 100. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
acdb602fb3
commit
fb0886745a
|
@ -585,7 +585,7 @@ static int mcs_speed_change(struct mcs_cb *mcs)
|
||||||
mcs_get_reg(mcs, MCS_RESV_REG, &rval);
|
mcs_get_reg(mcs, MCS_RESV_REG, &rval);
|
||||||
} while(cnt++ < 100 && (rval & MCS_IRINTX));
|
} while(cnt++ < 100 && (rval & MCS_IRINTX));
|
||||||
|
|
||||||
if(cnt >= 100) {
|
if (cnt > 100) {
|
||||||
IRDA_ERROR("unable to change speed\n");
|
IRDA_ERROR("unable to change speed\n");
|
||||||
ret = -EIO;
|
ret = -EIO;
|
||||||
goto error;
|
goto error;
|
||||||
|
|
Reference in New Issue