[6/6] erofs: use poison pointer to replace the hard-coded address
Commit Message
It's safer and cleaner to replace such hard-coded illegal pointer
with poison pointers.
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
fs/erofs/zdata.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
@@ -91,10 +91,8 @@ struct z_erofs_pcluster {
struct z_erofs_bvec compressed_bvecs[];
};
-/* let's avoid the valid 32-bit kernel addresses */
-
/* the end of a chain of pclusters */
-#define Z_EROFS_PCLUSTER_TAIL ((void *)0x5F0ECAFE)
+#define Z_EROFS_PCLUSTER_TAIL ((void *) 0x700 + POISON_POINTER_DELTA)
#define Z_EROFS_PCLUSTER_NIL (NULL)
struct z_erofs_decompressqueue {