18 Oct
2017
18 Oct
'17
8:03 a.m.
On Wed, 18 Oct 2017 01:45:49 +0200, Ben Hutchings wrote:
The 'use' locking macros are no-ops if neither SMP or SND_DEBUG is enabled. This might once have been OK in non-preemptible configurations, but even in that case snd_seq_read() may sleep while relying on a 'use' lock. So always use the proper implementations.
Cc: stable@vger.kernel.org Signed-off-by: Ben Hutchings ben.hutchings@codethink.co.uk
Yeah, this conditional build makes little sense nowadays although it was meaningful in 20 years ago.
Applied now, thanks.
Takashi