ps3fb: Use atomic_dec_if_positive() instead of bogus atomic_read()/atomic_dec() combinations Signed-off-by: Geert Uytterhoeven --- drivers/video/ps3fb.c | 12 ++++-------- 1 files changed, 4 insertions(+), 8 deletions(-) --- ps3-linux-2.6.21.orig/drivers/video/ps3fb.c +++ ps3-linux-2.6.21/drivers/video/ps3fb.c @@ -680,13 +680,10 @@ EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync); void ps3fb_flip_ctl(int on) { - if (on) { - if (atomic_read(&ps3fb.ext_flip) > 0) { - atomic_dec(&ps3fb.ext_flip); - } - } else { + if (on) + atomic_dec_if_positive(&ps3fb.ext_flip); + else atomic_inc(&ps3fb.ext_flip); - } } EXPORT_SYMBOL_GPL(ps3fb_flip_ctl); @@ -786,8 +783,7 @@ static int ps3fb_ioctl(struct fb_info *i case PS3FB_IOCTL_OFF: DPRINTK("PS3FB_IOCTL_OFF:\n"); - if (atomic_read(&ps3fb.ext_flip) > 0) - atomic_dec(&ps3fb.ext_flip); + atomic_dec_if_positive(&ps3fb.ext_flip); retval = 0; break; -- Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- Sony Network and Software Technology Center Europe (NSCE) Geert.Uytterhoeven@sonycom.com ------- The Corporate Village, Da Vincilaan 7-D1 Voice +32-2-7008453 Fax +32-2-7008622 ---------------- B-1935 Zaventem, Belgium