frodovdr/dddvb
1
0
Fork 0
mirror of https://github.com/DigitalDevices/dddvb.git synced 2023-10-10 13:37:43 +02:00
Code Issues Releases Wiki Activity

throw a warning on double unlocks

Browse Source 
based on patch by Daniel Scheller
This commit is contained in:
Ralph Metzler 2017-12-12 10:19:52 +01:00
parent b54e6ed689
commit d87246de12
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
frontends/stv0910.c
View File

@ -1210,9 +1210,14 @@ static int gate_ctrl(struct dvb_frontend *fe, int enable)
stat = write_reg(state, state->nr ? RSTV0910_P2_I2CRPT :
RSTV0910_P1_I2CRPT, i2crpt);
if (stat < 0)
if (!WARN_ON(!mutex_is_locked(&state->base->i2c_lock)))
mutex_unlock(&state->base->i2c_lock);
state->i2crpt = i2crpt;
if (!enable)
if (!WARN_ON(!mutex_is_locked(&state->base->i2c_lock)))
mutex_unlock(&state->base->i2c_lock);
return stat;
}