On Mon, Jun 26, 2017 at 7:45 AM, AbdAllah-MEZITI
<[email protected]> wrote:
> This patch
> - will always take the lock
Why?
"The current code only takes the lock if multiple instances are in use.
This is error-prone, and confuses static analyzers.
As taking the lock in case of a single instance is harmful and cheap,
change the code to always take the lock."
> - fix the sparse warning:
> drivers/staging/sm750fb/sm750.c:159:13: warning: context imbalance in
> 'lynxfb_ops_fillrect' - different lock contexts for basic block
> drivers/staging/sm750fb/sm750.c:231:9: warning: context imbalance in
> 'lynxfb_ops_copyarea' - different lock contexts for basic block
> drivers/staging/sm750fb/sm750.c:235:13: warning: context imbalance in
> 'lynxfb_ops_imageblit' - different lock contexts for basic block
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
_______________________________________________
devel mailing list
[email protected]
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
