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Diffstat (limited to 'lib/zlib_dfltcc/dfltcc_inflate.c')
-rw-r--r--lib/zlib_dfltcc/dfltcc_inflate.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/zlib_dfltcc/dfltcc_inflate.c b/lib/zlib_dfltcc/dfltcc_inflate.c
index 12a93a06bd61..aa9ef23474df 100644
--- a/lib/zlib_dfltcc/dfltcc_inflate.c
+++ b/lib/zlib_dfltcc/dfltcc_inflate.c
@@ -3,6 +3,7 @@
#include "../zlib_inflate/inflate.h"
#include "dfltcc_util.h"
#include "dfltcc.h"
+#include <asm/setup.h>
#include <linux/zutil.h>
/*
@@ -15,6 +16,11 @@ int dfltcc_can_inflate(
struct inflate_state *state = (struct inflate_state *)strm->state;
struct dfltcc_state *dfltcc_state = GET_DFLTCC_STATE(state);
+ /* Check for kernel dfltcc command line parameter */
+ if (zlib_dfltcc_support == ZLIB_DFLTCC_DISABLED ||
+ zlib_dfltcc_support == ZLIB_DFLTCC_DEFLATE_ONLY)
+ return 0;
+
/* Unsupported compression settings */
if (state->wbits != HB_BITS)
return 0;