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-rw-r--r--fs/squashfs/sqfs_decompressor.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/squashfs/sqfs_decompressor.c b/fs/squashfs/sqfs_decompressor.c
index 9457ee5f0f..d69ddb24a4 100644
--- a/fs/squashfs/sqfs_decompressor.c
+++ b/fs/squashfs/sqfs_decompressor.c
@@ -9,6 +9,11 @@
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
+
+#if IS_ENABLED(CONFIG_LZO)
+#include <linux/lzo.h>
+#endif
+
#if IS_ENABLED(CONFIG_ZLIB)
#include <u-boot/zlib.h>
#endif
@@ -25,6 +30,10 @@ int sqfs_decompressor_init(struct squashfs_ctxt *ctxt)
u16 comp_type = get_unaligned_le16(&ctxt->sblk->compression);
switch (comp_type) {
+#if IS_ENABLED(CONFIG_LZO)
+ case SQFS_COMP_LZO:
+ break;
+#endif
#if IS_ENABLED(CONFIG_ZLIB)
case SQFS_COMP_ZLIB:
break;
@@ -49,6 +58,10 @@ void sqfs_decompressor_cleanup(struct squashfs_ctxt *ctxt)
u16 comp_type = get_unaligned_le16(&ctxt->sblk->compression);
switch (comp_type) {
+#if IS_ENABLED(CONFIG_LZO)
+ case SQFS_COMP_LZO:
+ break;
+#endif
#if IS_ENABLED(CONFIG_ZLIB)
case SQFS_COMP_ZLIB:
break;
@@ -101,6 +114,18 @@ int sqfs_decompress(struct squashfs_ctxt *ctxt, void *dest,
int ret = 0;
switch (comp_type) {
+#if IS_ENABLED(CONFIG_LZO)
+ case SQFS_COMP_LZO: {
+ size_t lzo_dest_len = *dest_len;
+ ret = lzo1x_decompress_safe(source, src_len, dest, &lzo_dest_len);
+ if (ret) {
+ printf("LZO decompression failed. Error code: %d\n", ret);
+ return -EINVAL;
+ }
+
+ break;
+ }
+#endif
#if IS_ENABLED(CONFIG_ZLIB)
case SQFS_COMP_ZLIB:
ret = uncompress(dest, dest_len, source, src_len);