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-rw-r--r--roots.cpp67
1 files changed, 13 insertions, 54 deletions
diff --git a/roots.cpp b/roots.cpp
index f361cb8ca..2fec9ae9d 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include "roots.h"
+
#include <errno.h>
#include <stdlib.h>
#include <sys/mount.h>
@@ -25,11 +27,9 @@
#include <fcntl.h>
#include <fs_mgr.h>
-#include "mtdutils/mtdutils.h"
-#include "mtdutils/mounts.h"
-#include "roots.h"
#include "common.h"
#include "make_ext4fs.h"
+#include "mounts.h"
#include "wipe.h"
#include "cryptfs.h"
@@ -82,9 +82,7 @@ int ensure_path_mounted_at(const char* path, const char* mount_point) {
return 0;
}
- int result;
- result = scan_mounted_volumes();
- if (result < 0) {
+ if (!scan_mounted_volumes()) {
LOGE("failed to scan mounted volumes\n");
return -1;
}
@@ -93,8 +91,7 @@ int ensure_path_mounted_at(const char* path, const char* mount_point) {
mount_point = v->mount_point;
}
- const MountedVolume* mv =
- find_mounted_volume_by_mount_point(mount_point);
+ MountedVolume* mv = find_mounted_volume_by_mount_point(mount_point);
if (mv) {
// volume is already mounted
return 0;
@@ -102,26 +99,14 @@ int ensure_path_mounted_at(const char* path, const char* mount_point) {
mkdir(mount_point, 0755); // in case it doesn't already exist
- if (strcmp(v->fs_type, "yaffs2") == 0) {
- // mount an MTD partition as a YAFFS2 filesystem.
- mtd_scan_partitions();
- const MtdPartition* partition;
- partition = mtd_find_partition_by_name(v->blk_device);
- if (partition == NULL) {
- LOGE("failed to find \"%s\" partition to mount at \"%s\"\n",
- v->blk_device, mount_point);
- return -1;
- }
- return mtd_mount_partition(partition, mount_point, v->fs_type, 0);
- } else if (strcmp(v->fs_type, "ext4") == 0 ||
+ if (strcmp(v->fs_type, "ext4") == 0 ||
strcmp(v->fs_type, "squashfs") == 0 ||
strcmp(v->fs_type, "vfat") == 0) {
- result = mount(v->blk_device, mount_point, v->fs_type,
- v->flags, v->fs_options);
- if (result == 0) return 0;
-
- LOGE("failed to mount %s (%s)\n", mount_point, strerror(errno));
- return -1;
+ if (mount(v->blk_device, mount_point, v->fs_type, v->flags, v->fs_options) == -1) {
+ LOGE("failed to mount %s (%s)\n", mount_point, strerror(errno));
+ return -1;
+ }
+ return 0;
}
LOGE("unknown fs_type \"%s\" for %s\n", v->fs_type, mount_point);
@@ -144,15 +129,12 @@ int ensure_path_unmounted(const char* path) {
return -1;
}
- int result;
- result = scan_mounted_volumes();
- if (result < 0) {
+ if (!scan_mounted_volumes()) {
LOGE("failed to scan mounted volumes\n");
return -1;
}
- const MountedVolume* mv =
- find_mounted_volume_by_mount_point(v->mount_point);
+ MountedVolume* mv = find_mounted_volume_by_mount_point(v->mount_point);
if (mv == NULL) {
// volume is already unmounted
return 0;
@@ -196,29 +178,6 @@ int format_volume(const char* volume, const char* directory) {
return -1;
}
- if (strcmp(v->fs_type, "yaffs2") == 0 || strcmp(v->fs_type, "mtd") == 0) {
- mtd_scan_partitions();
- const MtdPartition* partition = mtd_find_partition_by_name(v->blk_device);
- if (partition == NULL) {
- LOGE("format_volume: no MTD partition \"%s\"\n", v->blk_device);
- return -1;
- }
-
- MtdWriteContext *write = mtd_write_partition(partition);
- if (write == NULL) {
- LOGW("format_volume: can't open MTD \"%s\"\n", v->blk_device);
- return -1;
- } else if (mtd_erase_blocks(write, -1) == (off_t) -1) {
- LOGW("format_volume: can't erase MTD \"%s\"\n", v->blk_device);
- mtd_write_close(write);
- return -1;
- } else if (mtd_write_close(write)) {
- LOGW("format_volume: can't close MTD \"%s\"\n", v->blk_device);
- return -1;
- }
- return 0;
- }
-
if (strcmp(v->fs_type, "ext4") == 0 || strcmp(v->fs_type, "f2fs") == 0) {
// if there's a key_loc that looks like a path, it should be a
// block device for storing encryption metadata. wipe it too.