Make errno a positive value

Normally errno contains a positive error value. A certain unnamed developer
mixed this up while implementing U-Boot-v2. Also, normally errno is never
set to zero by any library function.
This patch fixes this.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/common/misc.c b/common/misc.c
index b31a45c1a4..01e1b19e0d 100644
--- a/common/misc.c
+++ b/common/misc.c
@@ -112,7 +112,7 @@ EXPORT_SYMBOL(strerror);
 
 const char *errno_str(void)
 {
-	return strerror(-errno);
+	return strerror(errno);
 }
 EXPORT_SYMBOL(errno_str);