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Message-Id: <20230517131936.936840-1-arnd@kernel.org>
Date: Wed, 17 May 2023 15:19:31 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>,
Nick Terrell <terrelln@...com>
Cc: linux-mm@...ck.org, Arnd Bergmann <arnd@...db.de>,
linux-kernel@...r.kernel.org
Subject: [PATCH] decompressor: provide missing prototypes
From: Arnd Bergmann <arnd@...db.de>
The entry points for the decompressor don't always have a prototype
included in the .c file:
lib/decompress_inflate.c:42:17: error: no previous prototype for '__gunzip' [-Werror=missing-prototypes]
lib/decompress_unxz.c:251:17: error: no previous prototype for 'unxz' [-Werror=missing-prototypes]
lib/decompress_unzstd.c:331:17: error: no previous prototype for 'unzstd' [-Werror=missing-prototypes]
include the correct headers for unxz and unzstd, and mark the
inflate function above as unconditionally 'static' to avoid
these warnings.
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
lib/decompress_inflate.c | 2 +-
lib/decompress_unxz.c | 2 ++
lib/decompress_unzstd.c | 2 ++
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/lib/decompress_inflate.c b/lib/decompress_inflate.c
index 6130c42b8e59..e19199f4a684 100644
--- a/lib/decompress_inflate.c
+++ b/lib/decompress_inflate.c
@@ -39,7 +39,7 @@ static long INIT nofill(void *buffer, unsigned long len)
}
/* Included from initramfs et al code */
-STATIC int INIT __gunzip(unsigned char *buf, long len,
+static int INIT __gunzip(unsigned char *buf, long len,
long (*fill)(void*, unsigned long),
long (*flush)(void*, unsigned long),
unsigned char *out_buf, long out_len,
diff --git a/lib/decompress_unxz.c b/lib/decompress_unxz.c
index 9f4262ee33a5..353268b9f129 100644
--- a/lib/decompress_unxz.c
+++ b/lib/decompress_unxz.c
@@ -102,6 +102,8 @@
*/
#ifdef STATIC
# define XZ_PREBOOT
+#else
+#include <linux/decompress/unxz.h>
#endif
#ifdef __KERNEL__
# include <linux/decompress/mm.h>
diff --git a/lib/decompress_unzstd.c b/lib/decompress_unzstd.c
index a512b99ae16a..bba2c0bb10cb 100644
--- a/lib/decompress_unzstd.c
+++ b/lib/decompress_unzstd.c
@@ -69,6 +69,8 @@
# define UNZSTD_PREBOOT
# include "xxhash.c"
# include "zstd/decompress_sources.h"
+#else
+#include <linux/decompress/unzstd.h>
#endif
#include <linux/decompress/mm.h>
--
2.39.2
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