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-rw-r--r--tools/lib/bpf/str_error.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/str_error.c b/tools/lib/bpf/str_error.c
index 00e48ac5b806..b8064eedc177 100644
--- a/tools/lib/bpf/str_error.c
+++ b/tools/lib/bpf/str_error.c
@@ -11,7 +11,7 @@
*/
char *libbpf_strerror_r(int err, char *dst, int len)
{
- int ret = strerror_r(err, dst, len);
+ int ret = strerror_r(err < 0 ? -err : err, dst, len);
if (ret)
snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
return dst;