Am 17.03.2018 um 20:54 schrieb Jonathan Cameron: > On Wed, 14 Mar 2018 16:15:32 +0100 > SF Markus Elfring <elfr...@users.sourceforge.net> wrote: > >> From: Markus Elfring <elfr...@users.sourceforge.net> >> Date: Wed, 14 Mar 2018 16:06:49 +0100 >> >> * Add jump targets so that a call of the function "mutex_unlock" is stored >> only once in these function implementations. >> >> * Replace 19 calls by goto statements. >> >> This issue was detected by using the Coccinelle software. >> >> Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net> > > Hi Markus, > > Some of these are good and sensible changes
Such feedback is nice. > - others break the code. Which concrete places do you find questionable here? >> - return ret; >> + >> + goto set_power_state; >> default: >> return -EINVAL; > We exit with the mutex locked now and it should not be. I wonder about your source code interpretation here. The mutex was (and is still only) locked within case branches, isn't it? > >> } >> >> return -EINVAL; > Mutex is still locked here and the return is wrong. Should this statement get any more software development attention? Regards, Markus
