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authorTao Bao <tbao@google.com>2015-03-11 03:25:11 +0100
committerTao Bao <tbao@google.com>2015-03-11 17:53:56 +0100
commit18f371d814b26132aadf11de6cc305f02484535a (patch)
treea6e8549e0f230b0ee31bc5bf1f8db5048e41f8dc /updater/blockimg.c
parentam f66bf339: am 3e91f691: Bump up max_map_count value. (diff)
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Diffstat (limited to '')
-rw-r--r--updater/blockimg.c42
1 files changed, 28 insertions, 14 deletions
diff --git a/updater/blockimg.c b/updater/blockimg.c
index 302689313..6060ac28b 100644
--- a/updater/blockimg.c
+++ b/updater/blockimg.c
@@ -687,19 +687,26 @@ Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]
rss.p_remain = (tgt->pos[1] - tgt->pos[0]) * BLOCKSIZE;
check_lseek(fd, (off64_t)tgt->pos[0] * BLOCKSIZE, SEEK_SET);
+ int ret;
if (style[0] == 'i') { // imgdiff
- ApplyImagePatch(buffer, src_blocks * BLOCKSIZE,
- &patch_value,
- &RangeSinkWrite, &rss, NULL, NULL);
+ ret = ApplyImagePatch(buffer, src_blocks * BLOCKSIZE,
+ &patch_value,
+ &RangeSinkWrite, &rss, NULL, NULL);
} else {
- ApplyBSDiffPatch(buffer, src_blocks * BLOCKSIZE,
- &patch_value, 0,
- &RangeSinkWrite, &rss, NULL);
+ ret = ApplyBSDiffPatch(buffer, src_blocks * BLOCKSIZE,
+ &patch_value, 0,
+ &RangeSinkWrite, &rss, NULL);
+ }
+
+ if (ret != 0) {
+ ErrorAbort(state, "patch failed\n");
+ goto done;
}
// We expect the output of the patcher to fill the tgt ranges exactly.
if (rss.p_block != tgt->count || rss.p_remain != 0) {
- fprintf(stderr, "range sink underrun?\n");
+ ErrorAbort(state, "range sink underrun?\n");
+ goto done;
}
blocks_so_far += tgt->size;
@@ -723,7 +730,8 @@ Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]
range[1] = (tgt->pos[i*2+1] - tgt->pos[i*2]) * (uint64_t)BLOCKSIZE;
if (ioctl(fd, BLKDISCARD, &range) < 0) {
- printf(" blkdiscard failed: %s\n", strerror(errno));
+ ErrorAbort(state, " blkdiscard failed: %s\n", strerror(errno));
+ goto done;
}
}
@@ -732,8 +740,8 @@ Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]
printf(" ignoring erase (not block device)\n");
}
} else {
- fprintf(stderr, "unknown transfer style \"%s\"\n", style);
- exit(1);
+ ErrorAbort(state, "unknown transfer style \"%s\"\n", style);
+ goto done;
}
}
@@ -744,13 +752,19 @@ Value* BlockImageUpdateFn(const char* name, State* state, int argc, Expr* argv[]
printf("wrote %d blocks; expected %d\n", blocks_so_far, total_blocks);
printf("max alloc needed was %zu\n", buffer_alloc);
- done:
+done:
free(transfer_list);
FreeValue(blockdev_filename);
FreeValue(transfer_list_value);
FreeValue(new_data_fn);
FreeValue(patch_data_fn);
- return StringValue(success ? strdup("t") : strdup(""));
+ if (success) {
+ return StringValue(strdup("t"));
+ } else {
+ // NULL will be passed to its caller at Evaluate() and abort the OTA
+ // process.
+ return NULL;
+ }
}
Value* RangeSha1Fn(const char* name, State* state, int argc, Expr* argv[]) {
@@ -793,11 +807,11 @@ Value* RangeSha1Fn(const char* name, State* state, int argc, Expr* argv[]) {
digest = SHA_final(&ctx);
close(fd);
- done:
+done:
FreeValue(blockdev_filename);
FreeValue(ranges);
if (digest == NULL) {
- return StringValue(strdup(""));
+ return NULL;
} else {
return StringValue(PrintSha1(digest));
}