So that the envfs_save is more useful outside of the saveenv command
Signed-off-by: Sascha Hauer <[email protected]>
---
commands/saveenv.c | 46 +---------------------------------------------
common/environment.c | 38 ++++++++++++++++++++++++++++++++++++--
2 files changed, 37 insertions(+), 47 deletions(-)
diff --git a/commands/saveenv.c b/commands/saveenv.c
index 8ead98d..cb2b01d 100644
--- a/commands/saveenv.c
+++ b/commands/saveenv.c
@@ -29,7 +29,7 @@
static int do_saveenv(int argc, char *argv[])
{
- int ret, fd;
+ int ret;
char *filename, *dirname;
printf("saving environment\n");
@@ -42,52 +42,8 @@ static int do_saveenv(int argc, char *argv[])
else
filename = argv[1];
- fd = open(filename, O_WRONLY | O_CREAT);
- if (fd < 0) {
- printf("could not open %s: %s\n", filename, errno_str());
- return 1;
- }
-
- ret = protect(fd, ~0, 0, 0);
-
- /* ENOSYS is no error here, many devices do not need it */
- if (ret && errno != ENOSYS) {
- printf("could not unprotect %s: %s\n", filename, errno_str());
- close(fd);
- return 1;
- }
-
- ret = erase(fd, ~0, 0);
-
- /* 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;
- }
-
- close(fd);
-
ret = envfs_save(filename, dirname);
- if (ret) {
- printf("saveenv failed\n");
- 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 */
- if (ret && errno != ENOSYS) {
- printf("could not protect %s: %s\n", filename, errno_str());
- close(fd);
- return 1;
- }
- ret = 0;
-out:
- close(fd);
return ret;
}
diff --git a/common/environment.c b/common/environment.c
index e55df40..2d1edf8 100644
--- a/common/environment.c
+++ b/common/environment.c
@@ -60,6 +60,16 @@ char *default_environment_path_get(void)
{
return default_environment_path;
}
+#else
+static inline int protect(int fd, size_t count, unsigned long offset, int prot)
+{
+ return 0;
+}
+
+static inline int erase(int fd, size_t count, unsigned long offset)
+{
+ return 0;
+}
#endif
static int file_size_action(const char *filename, struct stat *statbuf,
@@ -196,11 +206,27 @@ int envfs_save(const char *filename, const char *dirname)
envfd = open(filename, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
if (envfd < 0) {
- printf("Open %s %s\n", filename, errno_str());
- ret = envfd;
+ printf("could not open %s: %s\n", filename, errno_str());
+ ret = -errno;
goto out1;
}
+ ret = protect(envfd, ~0, 0, 0);
+
+ /* ENOSYS is no error here, many devices do not need it */
+ if (ret && errno != ENOSYS) {
+ printf("could not unprotect %s: %s\n", filename, errno_str());
+ goto out;
+ }
+
+ ret = erase(envfd, ~0, 0);
+
+ /* 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());
+ goto out;
+ }
+
size += sizeof(struct envfs_super);
wbuf = buf;
@@ -216,6 +242,14 @@ int envfs_save(const char *filename, const char *dirname)
size -= now;
}
+ ret = protect(envfd, ~0, 0, 1);
+
+ /* ENOSYS is no error here, many devices do not need it */
+ if (ret && errno != ENOSYS) {
+ printf("could not protect %s: %s\n", filename, errno_str());
+ goto out;
+ }
+
ret = 0;
out:
--
1.9.1
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