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Merge "Reland "Remove comments and code about ro.boot.slot""

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This commit is contained in:
Tom Cherry 2017-09-25 23:58:30 +00:00 committed by Gerrit Code Review
commit dea5e081ac
2 changed files with 4 additions and 23 deletions
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14
adb/set_verity_enable_state_service.cpp
View file

@ -93,21 +93,9 @@ static bool set_verity_enabled_state(int fd, const char* block_device, const cha
/* Helper function to get A/B suffix, if any. If the device isn't
* using A/B the empty string is returned. Otherwise either "_a",
* "_b", ... is returned.
*
* Note that since sometime in O androidboot.slot_suffix is deprecated
* and androidboot.slot should be used instead. Since bootloaders may
* be out of sync with the OS, we check both and for extra safety
* prepend a leading underscore if there isn't one already.
*/
static std::string get_ab_suffix() {
std::string ab_suffix = android::base::GetProperty("ro.boot.slot_suffix", "");
if (ab_suffix == "") {
ab_suffix = android::base::GetProperty("ro.boot.slot", "");
}
if (ab_suffix.size() > 0 && ab_suffix[0] != '_') {
ab_suffix = std::string("_") + ab_suffix;
}
return ab_suffix;
return android::base::GetProperty("ro.boot.slot_suffix", "");
}
/* Use AVB to turn verity on/off */

13
fs_mgr/fs_mgr_slotselect.cpp
View file

@ -21,19 +21,12 @@
#include "fs_mgr.h"
#include "fs_mgr_priv.h"
// Returns "_a" or "_b" based on two possible values in kernel cmdline:
// - androidboot.slot = a or b OR
// - androidboot.slot_suffix = _a or _b
// TODO: remove slot_suffix once it's deprecated.
// Returns "_a" or "_b" based on androidboot.slot_suffix in kernel cmdline, or an empty string
// if that parameter does not exist.
std::string fs_mgr_get_slot_suffix() {
std::string slot;
std::string ab_suffix;
if (fs_mgr_get_boot_config("slot", &slot)) {
ab_suffix = "_" + slot;
} else if (!fs_mgr_get_boot_config("slot_suffix", &ab_suffix)) {
ab_suffix = "";
}
fs_mgr_get_boot_config("slot_suffix", &ab_suffix);
return ab_suffix;
}