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Diffstat (limited to 'init/initramfs.c')
-rw-r--r--init/initramfs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/init/initramfs.c b/init/initramfs.c
index 40bd4fb95788..a3ba91cdab89 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -389,7 +389,7 @@ static int __init write_buffer(char *buf, unsigned len)
return len - count;
}
-
+#if defined CONFIG_RD_GZIP || defined CONFIG_RD_BZIP2 || defined CONFIG_RD_LZMA
static int __init flush_buffer(void *bufv, unsigned len)
{
char *buf = (char *) bufv;
@@ -412,6 +412,7 @@ static int __init flush_buffer(void *bufv, unsigned len)
}
return origLen;
}
+#endif
static unsigned my_inptr; /* index of next byte to be processed in inbuf */
@@ -449,10 +450,12 @@ static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only)
continue;
}
this_header = 0;
+#ifdef CONFIG_RD_GZIP
if (!gunzip(buf, len, NULL, flush_buffer, NULL,
&my_inptr, error) &&
message == NULL)
goto ok;
+#endif
#ifdef CONFIG_RD_BZIP2
message = NULL; /* Zero out message, or else cpio will
@@ -473,7 +476,9 @@ static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only)
goto ok;
}
#endif
+#if defined CONFIG_RD_GZIP || defined CONFIG_RD_BZIP2 || defined CONFIG_RD_LZMA
ok:
+#endif
if (state != Reset)
error("junk in compressed archive");
this_header = saved_offset + my_inptr;