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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-09-25 08:06:22 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-09-25 08:06:22 +0200 |
| commit | faddac631a0e521780854ecf9a53f96481a32716 (patch) | |
| tree | 292c866315fd161df41d90f4bbde1572b14415d1 /include/asm-generic | |
| parent | 1ab2e649dc0ccef7ee990b999e1d8f8c32e7cd24 (diff) | |
| parent | 0d4d157cf0d42206491b7a1b417c9904a9abd553 (diff) | |
| download | barebox-faddac631a0e521780854ecf9a53f96481a32716.tar.gz barebox-faddac631a0e521780854ecf9a53f96481a32716.tar.xz | |
Merge branch 'for-next/net' into master
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/bug.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 8583d2425f..82b78261fc 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -34,4 +34,17 @@ unlikely(__ret_warn_on); \ }) #endif + +#define WARN_ONCE(condition, format...) ({ \ + static int __warned; \ + int __ret_warn_once = !!(condition); \ + \ + if (unlikely(__ret_warn_once)) { \ + if (WARN(!__warned, format)) { \ + __warned = 1; \ + dump_stack(); \ + } \ + } \ + unlikely(__ret_warn_once); \ +}) #endif |