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-rw-r--r--recovery.cpp2
-rw-r--r--roots.cpp37
-rw-r--r--roots.h5
3 files changed, 0 insertions, 44 deletions
diff --git a/recovery.cpp b/recovery.cpp
index 6deeaaaed..575e287aa 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -716,7 +716,6 @@ wipe_data(int confirm, Device* device) {
device->WipeData();
erase_volume("/data");
erase_volume("/cache");
- erase_persistent_partition();
ui->Print("Data wipe complete.\n");
}
@@ -1122,7 +1121,6 @@ main(int argc, char **argv) {
if (device->WipeData()) status = INSTALL_ERROR;
if (erase_volume("/data")) status = INSTALL_ERROR;
if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR;
- if (erase_persistent_partition() == -1 ) status = INSTALL_ERROR;
if (status != INSTALL_SUCCESS) ui->Print("Data wipe failed.\n");
} else if (wipe_cache) {
if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR;
diff --git a/roots.cpp b/roots.cpp
index 0d47577b2..ee140160c 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -39,8 +39,6 @@ static struct fstab *fstab = NULL;
extern struct selabel_handle *sehandle;
-static const char* PERSISTENT_PATH = "/persistent";
-
void load_volume_table()
{
int i;
@@ -266,41 +264,6 @@ int format_volume(const char* volume) {
return -1;
}
-int erase_persistent_partition() {
- Volume *v = volume_for_path(PERSISTENT_PATH);
- if (v == NULL) {
- // most devices won't have /persistent, so this is not an error.
- return 0;
- }
-
- int fd = open(v->blk_device, O_RDWR);
- uint64_t size = get_file_size(fd);
- if (size == 0) {
- LOGE("failed to stat size of /persistent\n");
- close(fd);
- return -1;
- }
-
- char oem_unlock_enabled;
- lseek(fd, size - 1, SEEK_SET);
- read(fd, &oem_unlock_enabled, 1);
-
- if (oem_unlock_enabled) {
- if (wipe_block_device(fd, size)) {
- LOGE("error wiping /persistent: %s\n", strerror(errno));
- close(fd);
- return -1;
- }
-
- lseek(fd, size - 1, SEEK_SET);
- write(fd, &oem_unlock_enabled, 1);
- }
-
- close(fd);
-
- return (int) oem_unlock_enabled;
-}
-
int setup_install_mounts() {
if (fstab == NULL) {
LOGE("can't set up install mounts: no fstab loaded\n");
diff --git a/roots.h b/roots.h
index b62a5b13a..230d9ded3 100644
--- a/roots.h
+++ b/roots.h
@@ -46,11 +46,6 @@ int format_volume(const char* volume);
// mounted (/tmp and /cache) are mounted. Returns 0 on success.
int setup_install_mounts();
-// Conditionally wipes the /persistent partition if it's marked
-// to wipe. Returns -1 on failure, 1 if the partition was wiped
-// and 0 if the partition was not wiped.
-int erase_persistent_partition();
-
#ifdef __cplusplus
}
#endif