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| author | Ben Skeggs <bskeggs@redhat.com> | 2014-08-05 09:49:25 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 04:43:19 +1000 |
| commit | 591972d11879c784f201bf81d5580e61d4119fcf (patch) | |
| tree | 228796fa4850d92cd00da1091e0c7b9f69b88152 /lib | |
| parent | 3ee679226b75d0706ce218815baa209ef9a63b8e (diff) | |
| download | nouveau-591972d11879c784f201bf81d5580e61d4119fcf.tar.gz | |
lib: fix WARN_ON() macros
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/core/os.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/lib/core/os.h b/lib/core/os.h index 8bcc657b1..3fed174db 100644 --- a/lib/core/os.h +++ b/lib/core/os.h @@ -427,7 +427,22 @@ nvos_backtrace(void) nvos_backtrace(); \ } while(0) -#define WARN_ON(c) (c) +#define WARN_ON(c) ({ \ + int _ret = !!(c); \ + if (_ret) \ + WARN(); \ + _ret; \ +}) + +#define WARN_ON_ONCE(c) ({ \ + static int _once = 1; \ + int _ret = !!(c); \ + if (_ret && _once) { \ + WARN(); \ + _once = 0; \ + } \ + _ret; \ +}) /****************************************************************************** * interrupts |