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authorSam Protsenko <semen.protsenko@linaro.org>2019-08-15 23:04:03 +0300
committerTom Rini <trini@konsulko.com>2019-10-31 14:22:53 +0300
commit8f684b5a8b8351bf2d464609071ccd2de35c8773 (patch)
treec9663057e40fb012e928fcdb1ab647f5b4ca73d8 /lib
parent4d579a4394d665b95c5289b5b7c9ce344e07bf18 (diff)
downloadu-boot-8f684b5a8b8351bf2d464609071ccd2de35c8773.tar.xz
libavb: Fix build warnings after updating the lib
After updating libavb to most recent version from AOSP/master, two new warnings appear: Warning #1: lib/libavb/avb_cmdline.c: In function 'avb_append_options': lib/libavb/avb_cmdline.c:365:15: warning: 'dm_verity_mode' may be used uninitialized in this function [-Wmaybe-uninitialized] new_ret = avb_replace( ^~~~~~~~~~~~ slot_data->cmdline, "$(ANDROID_VERITY_MODE)", dm_verity_mode); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ lib/libavb/avb_cmdline.c:374:8: warning: 'verity_mode' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!cmdline_append_option( ^~~~~~~~~~~~~~~~~~~~~~ slot_data, "androidboot.veritymode", verity_mode)) { ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Warning #2: lib/libavb/avb_slot_verify.c: In function 'avb_slot_verify': lib/libavb/avb_slot_verify.c:1349:23: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] AvbSlotVerifyResult ret; ^~~ Fix those by providing default return values to affected functions. Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/libavb/avb_cmdline.c3
-rw-r--r--lib/libavb/avb_slot_verify.c2
2 files changed, 3 insertions, 2 deletions
diff --git a/lib/libavb/avb_cmdline.c b/lib/libavb/avb_cmdline.c
index cb5b98e423..684c512bb9 100644
--- a/lib/libavb/avb_cmdline.c
+++ b/lib/libavb/avb_cmdline.c
@@ -357,7 +357,8 @@ AvbSlotVerifyResult avb_append_options(
// Should never get here because MANAGED_RESTART_AND_EIO is
// remapped by avb_manage_hashtree_error_mode().
avb_assert_not_reached();
- break;
+ ret = AVB_SLOT_VERIFY_RESULT_ERROR_INVALID_ARGUMENT;
+ goto out;
default:
ret = AVB_SLOT_VERIFY_RESULT_ERROR_INVALID_ARGUMENT;
goto out;
diff --git a/lib/libavb/avb_slot_verify.c b/lib/libavb/avb_slot_verify.c
index 5d400b38aa..c0defdf9c9 100644
--- a/lib/libavb/avb_slot_verify.c
+++ b/lib/libavb/avb_slot_verify.c
@@ -1346,7 +1346,7 @@ AvbSlotVerifyResult avb_slot_verify(AvbOps* ops,
AvbSlotVerifyFlags flags,
AvbHashtreeErrorMode hashtree_error_mode,
AvbSlotVerifyData** out_data) {
- AvbSlotVerifyResult ret;
+ AvbSlotVerifyResult ret = AVB_SLOT_VERIFY_RESULT_ERROR_INVALID_ARGUMENT;
AvbSlotVerifyData* slot_data = NULL;
AvbAlgorithmType algorithm_type = AVB_ALGORITHM_TYPE_NONE;
bool using_boot_for_vbmeta = false;