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env: make env_import(_redund) return 0 on success, not 1

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env_import (and env_import_redund) currently return 1 on success
and 0 on error. However, they are only used from functions
returning 0 on success or a negative value on error.

Let's clean this up by making env_import and env_import_redund
return 0 on success and -EIO on error (as was the case for all
users before).

Users that cared for the return value are also updated. Funny
enough, this only affects onenand.c and sf.c

Signed-off-by: Simon Goldschmidt <sgoldschmidt@de.pepperl-fuchs.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Simon Goldschmidt 2018-01-31 14:47:10 +01:00 committed by Tom Rini
parent 87c7fb396a
commit 42a1820bbc
3 changed files with 8 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
env/common.c vendored
View file

@ -118,21 +118,21 @@ int env_import(const char *buf, int check)
if (crc32(0, ep->data, ENV_SIZE) != crc) {
set_default_env("!bad CRC");
return 0;
return -EIO;
}
}
if (himport_r(&env_htab, (char *)ep->data, ENV_SIZE, '\0', 0, 0,
0, NULL)) {
gd->flags |= GD_FLG_ENV_READY;
return 1;
return 0;
}
pr_err("Cannot import environment: errno = %d\n", errno);
set_default_env("!import failed");
return 0;
return -EIO;
}
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
@ -153,7 +153,7 @@ int env_import_redund(const char *buf1, const char *buf2)
if (!crc1_ok && !crc2_ok) {
set_default_env("!bad CRC");
return 0;
return -EIO;
} else if (crc1_ok && !crc2_ok) {
gd->env_valid = ENV_VALID;
} else if (!crc1_ok && crc2_ok) {

4
env/onenand.c vendored
View file

@ -57,10 +57,10 @@ static int env_onenand_load(void)
#endif /* !ENV_IS_EMBEDDED */
rc = env_import(buf, 1);
if (rc)
if (!rc)
gd->env_valid = ENV_VALID;
return rc ? 0 : -EIO;
return rc;
}
static int env_onenand_save(void)

4
env/sf.c vendored
View file

@ -236,7 +236,7 @@ static int env_sf_load(void)
ep = tmp_env2;
ret = env_import((char *)ep, 0);
if (!ret) {
if (ret) {
pr_err("Cannot import environment: errno = %d\n", errno);
set_default_env("!env_import failed");
}
@ -336,7 +336,7 @@ static int env_sf_load(void)
}
ret = env_import(buf, 1);
if (ret)
if (!ret)
gd->env_valid = ENV_VALID;
err_read: