# \[PATCH\] powerpc/boot: Use correct zlib types for comparison

- From: Benjamin Herrenschmidt \<benh@kernel.crashing.org\>
- Date: 2014-08-11 04:37:29 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2014/08/9480599
- Thread: https://ratatoskr.run/linuxppc-dev/2014/08/9480599/t.md

```text
Avoids this warning:

arch/powerpc/boot/gunzip_util.c:118:9: warning: comparison of distinct pointer types lacks a cast

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/boot/gunzip_util.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/boot/gunzip_util.c b/arch/powerpc/boot/gunzip_util.c
index ef2aed0..9dc5250 100644
--- a/arch/powerpc/boot/gunzip_util.c
+++ b/arch/powerpc/boot/gunzip_util.c
@@ -112,10 +112,10 @@ int gunzip_partial(struct gunzip_state *state, void *dst, int dstlen)
 		r = zlib_inflate(&state->s, Z_FULL_FLUSH);
 		if (r != Z_OK && r != Z_STREAM_END)
 			fatal("inflate returned %d msg: %s\n\r", r, state->s.msg);
-		len = state->s.next_out - (unsigned char *)dst;
+		len = state->s.next_out - (Byte *)dst;
 	} else {
 		/* uncompressed image */
-		len = min(state->s.avail_in, (unsigned)dstlen);
+		len = min(state->s.avail_in, (uLong)dstlen);
 		memcpy(dst, state->s.next_in, len);
 		state->s.next_in += len;
 		state->s.avail_in -= len;
```
