diff options
Diffstat (limited to 'sysdeps/x86_64/backtrace.c')
-rw-r--r-- | sysdeps/x86_64/backtrace.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sysdeps/x86_64/backtrace.c b/sysdeps/x86_64/backtrace.c index 2a3848d20f..21448c8f1c 100644 --- a/sysdeps/x86_64/backtrace.c +++ b/sysdeps/x86_64/backtrace.c @@ -97,6 +97,10 @@ __backtrace (array, size) int size; { struct trace_arg arg = { .array = array, .cfa = 0, .size = size, .cnt = -1 }; + + if (size <= 0) + return 0; + #ifdef SHARED __libc_once_define (static, once); @@ -105,8 +109,7 @@ __backtrace (array, size) return 0; #endif - if (size >= 1) - unwind_backtrace (backtrace_helper, &arg); + unwind_backtrace (backtrace_helper, &arg); /* _Unwind_Backtrace seems to put NULL address above _start. Fix it up here. */ |