Messages in this thread | | | Subject | Re: [BUG] soc/sti: a possible sleep-in-atomic bug in uni_player_ctl_iec958_put | From | Arnaud Pouliquen <> | Date | Tue, 12 Dec 2017 17:11:56 +0100 |
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Hello Jia-Ju,
On 12/12/2017 03:27 PM, Jia-Ju Bai wrote: > According to sound/soc/sti/uniperif_player.c, the driver may sleep under > a spinlock. > The function call path is: > uni_player_ctl_iec958_put (acquire the spinlock) > uni_player_set_channel_status > mutex_lock --> may sleep > > I do not find a good way to fix it, so I only report. > This possible bug is found by my static analysis tool (DSAC) and checked > by my code review. you right, mutex under spin lock is not recommended... I will have a look Thanks!
Regards Arnaud
> > > Thanks, > Jia-Ju Bai
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