{
if (!val)
return;
- if (assertion)
- fprintf(stderr,
- "%s:%d: %s: Warning: assertion `%s` failed, value %ld\n",
- filename, line, func, assertion, val);
- else
- fprintf(stderr,
- "%s:%d: %s: Warning: assertion failed, value %ld.\n",
- filename, line, func, val);
+ fprintf(stderr,
+ "%s:%d: %s: Warning: assertion `%s` failed, value %ld\n",
+ filename, line, func, assertion, val);
#ifndef BTRFS_DISABLE_BACKTRACE
print_trace();
#endif
}
+static inline void bugon_trace(const char *assertion, const char *filename,
+ const char *func, unsigned line, long val)
+{
+ if (!val)
+ return;
+ fprintf(stderr,
+ "%s:%d: %s: BUG_ON `%s` triggered, value %ld\n",
+ filename, line, func, assertion, val);
+#ifndef BTRFS_DISABLE_BACKTRACE
+ print_trace();
+#endif
+ abort();
+ exit(1);
+}
#ifdef __CHECKER__
#define __force __attribute__((force))
return (long) ptr;
}
-static inline long IS_ERR(const void *ptr)
+static inline int IS_ERR(const void *ptr)
{
return IS_ERR_VALUE((unsigned long)ptr);
}
+static inline int IS_ERR_OR_NULL(const void *ptr)
+{
+ return !ptr || IS_ERR(ptr);
+}
+
/*
* This looks more complex than it should be. But we need to
* get the type for the ~ right in round_down (it needs to be
static inline void assert_trace(const char *assertion, const char *filename,
const char *func, unsigned line, long val)
{
- if (!val)
+ if (val)
return;
- warning_trace(assertion, filename, func, line, val);
+ fprintf(stderr,
+ "%s:%d: %s: Assertion `%s` failed, value %ld\n",
+ filename, line, func, assertion, val);
+#ifndef BTRFS_DISABLE_BACKTRACE
+ print_trace();
+#endif
abort();
exit(1);
}
-
-#define BUG_ON(c) assert_trace(#c, __FILE__, __func__, __LINE__, (long)(c))
-#define WARN_ON(c) warning_trace(#c, __FILE__, __func__, __LINE__, (long)(c))
-#define ASSERT(c) assert_trace(#c, __FILE__, __func__, __LINE__, (long)!(c))
-#define BUG() assert_trace(NULL, __FILE__, __func__, __LINE__, 1)
+#define ASSERT(c) assert_trace(#c, __FILE__, __func__, __LINE__, (long)(c))
#else
-#define BUG_ON(c) assert(!(c))
-#define WARN_ON(c) warning_trace(#c, __FILE__, __func__, __LINE__, (long)(c))
-#define ASSERT(c) assert(!(c))
-#define BUG() assert(0)
+#define ASSERT(c) assert(c)
#endif
+#define BUG_ON(c) bugon_trace(#c, __FILE__, __func__, __LINE__, (long)(c))
+#define BUG() BUG_ON(1)
+#define WARN_ON(c) warning_trace(#c, __FILE__, __func__, __LINE__, (long)(c))
+
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
+#ifndef __bitwise
#ifdef __CHECKER__
#define __bitwise __bitwise__
#else
#define __bitwise
-#endif
+#endif /* __CHECKER__ */
+#endif /* __bitwise */
/* Alignment check */
#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)