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Diffstat (limited to 'lib/common/comp_lzo.c')
-rw-r--r--lib/common/comp_lzo.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/common/comp_lzo.c b/lib/common/comp_lzo.c
index 3452647..b6496b2 100644
--- a/lib/common/comp_lzo.c
+++ b/lib/common/comp_lzo.c
@@ -68,6 +68,7 @@ static int lzo_write_options(sqfs_compressor_t *base, sqfs_file_t *file)
lzo_compressor_t *lzo = (lzo_compressor_t *)base;
sqfs_u8 buffer[sizeof(lzo_options_t) + 2];
lzo_options_t opt;
+ sqfs_u16 header;
int ret;
if (lzo->algorithm == SQFS_LZO_DEFAULT_ALG &&
@@ -83,7 +84,9 @@ static int lzo_write_options(sqfs_compressor_t *base, sqfs_file_t *file)
opt.level = 0;
}
- *((sqfs_u16 *)buffer) = htole16(0x8000 | sizeof(opt));
+ header = htole16(0x8000 | sizeof(opt));
+
+ memcpy(buffer, &header, sizeof(header));
memcpy(buffer + 2, &opt, sizeof(opt));
ret = file->write_at(file, sizeof(sqfs_super_t),
@@ -97,6 +100,7 @@ static int lzo_read_options(sqfs_compressor_t *base, sqfs_file_t *file)
lzo_compressor_t *lzo = (lzo_compressor_t *)base;
sqfs_u8 buffer[sizeof(lzo_options_t) + 2];
lzo_options_t opt;
+ sqfs_u16 header;
int ret;
ret = file->read_at(file, sizeof(sqfs_super_t),
@@ -104,7 +108,8 @@ static int lzo_read_options(sqfs_compressor_t *base, sqfs_file_t *file)
if (ret)
return ret;
- if (le16toh(*((sqfs_u16 *)buffer)) != (0x8000 | sizeof(opt)))
+ memcpy(&header, buffer, sizeof(header));
+ if (le16toh(header) != (0x8000 | sizeof(opt)))
return SQFS_ERROR_CORRUPTED;
memcpy(&opt, buffer + 2, sizeof(opt));