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-rw-r--r--util/cbfstool/cbfs-mkpayload.c54
-rw-r--r--util/cbfstool/cbfs-mkstage.c11
2 files changed, 32 insertions, 33 deletions
diff --git a/util/cbfstool/cbfs-mkpayload.c b/util/cbfstool/cbfs-mkpayload.c
index 38cc482d22..d5bcca011e 100644
--- a/util/cbfstool/cbfs-mkpayload.c
+++ b/util/cbfstool/cbfs-mkpayload.c
@@ -206,26 +206,24 @@ int parse_elf_to_payload(const struct buffer *input,
segs[segments].type = PAYLOAD_SEGMENT_DATA;
segs[segments].load_addr = phdr[i].p_paddr;
segs[segments].mem_len = phdr[i].p_memsz;
- segs[segments].compression = algo;
segs[segments].offset = doffset;
+ /* If the compression failed or made the section is larger,
+ use the original stuff */
+
int len;
if (compress((char *)&header[phdr[i].p_offset],
- phdr[i].p_filesz, output->data + doffset, &len)) {
- buffer_delete(output);
- ret = -1;
- goto out;
- }
- segs[segments].len = len;
-
- /* If the compressed section is larger, then use the
- original stuff */
-
- if ((unsigned int)len > phdr[i].p_filesz) {
+ phdr[i].p_filesz, output->data + doffset, &len) ||
+ (unsigned int)len > phdr[i].p_filesz) {
+ WARN("Compression failed or would make the data bigger "
+ "- disabled.\n");
segs[segments].compression = 0;
segs[segments].len = phdr[i].p_filesz;
memcpy(output->data + doffset,
&header[phdr[i].p_offset], phdr[i].p_filesz);
+ } else {
+ segs[segments].compression = algo;
+ segs[segments].len = len;
}
doffset += segs[segments].len;
@@ -275,15 +273,13 @@ int parse_flat_binary_to_payload(const struct buffer *input,
segs[0].mem_len = input->size;
segs[0].offset = doffset;
- if (compress(input->data, input->size, output->data + doffset, &len)) {
- buffer_delete(output);
- return -1;
- }
- segs[0].compression = algo;
- segs[0].len = len;
-
- if ((unsigned int)len >= input->size) {
- WARN("Compressing data would make it bigger - disabled.\n");
+ if (!compress(input->data, input->size, output->data + doffset, &len) &&
+ (unsigned int)len < input->size) {
+ segs[0].compression = algo;
+ segs[0].len = len;
+ } else {
+ WARN("Compression failed or would make the data bigger "
+ "- disabled.\n");
segs[0].compression = 0;
segs[0].len = input->size;
memcpy(output->data + doffset, input->data, input->size);
@@ -404,15 +400,13 @@ int parse_fv_to_payload(const struct buffer *input,
segs[0].mem_len = input->size;
segs[0].offset = doffset;
- if (compress(input->data, input->size, output->data + doffset, &len)) {
- buffer_delete(output);
- return -1;
- }
- segs[0].compression = algo;
- segs[0].len = len;
-
- if ((unsigned int)len >= input->size) {
- WARN("Compressing data would make it bigger - disabled.\n");
+ if (!compress(input->data, input->size, output->data + doffset, &len) &&
+ (unsigned int)len < input->size) {
+ segs[0].compression = algo;
+ segs[0].len = len;
+ } else {
+ WARN("Compression failed or would make the data bigger "
+ "- disabled.\n");
segs[0].compression = 0;
segs[0].len = input->size;
memcpy(output->data + doffset, input->data, input->size);
diff --git a/util/cbfstool/cbfs-mkstage.c b/util/cbfstool/cbfs-mkstage.c
index 8c77ee5e65..4a2f4d8dee 100644
--- a/util/cbfstool/cbfs-mkstage.c
+++ b/util/cbfstool/cbfs-mkstage.c
@@ -155,12 +155,17 @@ int parse_elf_to_stage(const struct buffer *input, struct buffer *output,
* to fill out the header. This seems backward but it works because
* - the output header is a known size (not always true in many xdr's)
* - we do need to know the compressed output size first
+ * If compression fails or makes the data bigger, we'll warn about it
+ * and use the original data.
*/
if (compress(buffer, data_end - data_start,
(output->data + sizeof(struct cbfs_stage)),
- &outlen) < 0) {
- free(buffer);
- return -1;
+ &outlen) < 0 || outlen > data_end - data_start) {
+ WARN("Compression failed or would make the data bigger "
+ "- disabled.\n");
+ memcpy(output->data + sizeof(struct cbfs_stage),
+ buffer, data_end - data_start);
+ algo = CBFS_COMPRESS_NONE;
}
free(buffer);