summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--lib/xz/xz_dec_stream.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/xz/xz_dec_stream.c b/lib/xz/xz_dec_stream.c
index fea86deaaa01..683570b93a8c 100644
--- a/lib/xz/xz_dec_stream.c
+++ b/lib/xz/xz_dec_stream.c
@@ -402,12 +402,12 @@ static enum xz_ret dec_stream_header(struct xz_dec *s)
* we will accept other check types too, but then the check won't
* be verified and a warning (XZ_UNSUPPORTED_CHECK) will be given.
*/
+ if (s->temp.buf[HEADER_MAGIC_SIZE + 1] > XZ_CHECK_MAX)
+ return XZ_OPTIONS_ERROR;
+
s->check_type = s->temp.buf[HEADER_MAGIC_SIZE + 1];
#ifdef XZ_DEC_ANY_CHECK
- if (s->check_type > XZ_CHECK_MAX)
- return XZ_OPTIONS_ERROR;
-
if (s->check_type > XZ_CHECK_CRC32)
return XZ_UNSUPPORTED_CHECK;
#else