[POWERPC] boot: Simplify gunzip_finish

Call gunzip_partial to calculate the remaining length and copy the
data to the user buffer.  This makes it shorter and reduces
duplication.

Signed-off-by: Milton Miller <miltonm@bga.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/boot/gunzip_util.c b/arch/powerpc/boot/gunzip_util.c
index e1e215e..ef2aed0 100644 (file)
--- a/arch/powerpc/boot/gunzip_util.c
+++ b/arch/powerpc/boot/gunzip_util.c
@@ -194,13 +194,10 @@ int gunzip_finish(struct gunzip_state *state, void *dst, int dstlen)
 {
        int len;
 
+       len = gunzip_partial(state, dst, dstlen);
+
        if (state->s.workspace) {
-               len = gunzip_partial(state, dst, dstlen);
                zlib_inflateEnd(&state->s);
-       } else {
-               /* uncompressed image */
-               len = min(state->s.avail_in, (unsigned)dstlen);
-               memcpy(dst, state->s.next_in, len);
        }
 
        return len;