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saveenv: close file 

Close the file in saveenv before calling envfs_save and reopen it
afterwards. NAND Bad block aware devices allow opening a file only
once.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2008-08-13 14:29:23 +02:00
parent 3b4fece6d5
commit 6f680b638b
1 changed files with 5 additions and 2 deletions
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7
commands/saveenv.c
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@ -47,7 +47,7 @@ static int do_saveenv(cmd_tbl_t *cmdtp, int argc, char *argv[])
fd = open(filename, O_WRONLY | O_CREAT);
if (fd < 0) {
printf("could not open %s: %s", filename, errno_str());
printf("could not open %s: %s\n", filename, errno_str());
return 1;
}
@ -62,10 +62,11 @@ static int do_saveenv(cmd_tbl_t *cmdtp, int argc, char *argv[])
ret = erase(fd, ~0, 0);
close(fd);
/* ENOSYS is no error here, many devices do not need it */
if (ret && errno != -ENOSYS) {
printf("could not erase %s: %s\n", filename, errno_str());
close(fd);
return 1;
}
@ -75,6 +76,8 @@ static int do_saveenv(cmd_tbl_t *cmdtp, int argc, char *argv[])
goto out;
}
fd = open(filename, O_WRONLY | O_CREAT);
ret = protect(fd, ~0, 0, 1);
/* ENOSYS is no error here, many devices do not need it */