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authorSascha Hauer <s.hauer@pengutronix.de>2012-05-13 12:43:58 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2012-05-14 08:35:54 +0200
commit6188685091c58c9772b990cf0ca6ac522f97a9d0 (patch)
treeff994e79773e3bab5abe1b79129cbb08ddf9f754 /common/env.c
parent2f05b6925676e5f3263e0d51ed2f0a92201400d8 (diff)
downloadbarebox-6188685091c58c9772b990cf0ca6ac522f97a9d0.tar.gz
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>
Diffstat (limited to 'common/env.c')
-rw-r--r--common/env.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/common/env.c b/common/env.c
index e57a520..a01a27e 100644
--- a/common/env.c
+++ b/common/env.c
@@ -219,7 +219,7 @@ int setenv(const char *_name, const char *value)
else
ret = -ENODEV;
- errno = ret;
+ errno = -ret;
if (ret < 0)
perror("set parameter");