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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-05-13 12:43:58 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-05-14 08:35:54 +0200 |
| commit | 6188685091c58c9772b990cf0ca6ac522f97a9d0 (patch) | |
| tree | ff994e79773e3bab5abe1b79129cbb08ddf9f754 /commands/saveenv.c | |
| parent | 2f05b6925676e5f3263e0d51ed2f0a92201400d8 (diff) | |
| download | barebox-6188685091c58c9772b990cf0ca6ac522f97a9d0.tar.gz barebox-6188685091c58c9772b990cf0ca6ac522f97a9d0.tar.xz | |
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 'commands/saveenv.c')
| -rw-r--r-- | commands/saveenv.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/commands/saveenv.c b/commands/saveenv.c index a4b279676d..549fcd4279 100644 --- a/commands/saveenv.c +++ b/commands/saveenv.c @@ -54,7 +54,7 @@ static int do_saveenv(int argc, char *argv[]) ret = protect(fd, ~0, 0, 0); /* ENOSYS is no error here, many devices do not need it */ - if (ret && errno != -ENOSYS) { + if (ret && errno != ENOSYS) { printf("could not unprotect %s: %s\n", filename, errno_str()); close(fd); return 1; @@ -63,7 +63,7 @@ static int do_saveenv(int argc, char *argv[]) ret = erase(fd, ~0, 0); /* ENOSYS is no error here, many devices do not need it */ - if (ret && errno != -ENOSYS) { + if (ret && errno != ENOSYS) { printf("could not erase %s: %s\n", filename, errno_str()); close(fd); return 1; @@ -82,7 +82,7 @@ static int do_saveenv(int argc, char *argv[]) ret = protect(fd, ~0, 0, 1); /* ENOSYS is no error here, many devices do not need it */ - if (ret && errno != -ENOSYS) { + if (ret && errno != ENOSYS) { printf("could not protect %s: %s\n", filename, errno_str()); close(fd); return 1; |