From: Vasily Gorbik <gor@linux.ibm.com>
Date: Sat, 17 Oct 2020 13:55:10 +0000 (+0200)
Subject: s390/decompressor: fix build warning
X-Git-Tag: microblaze-v5.12~188^2~56
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=39f2899b9872d02ec178568a9acfe90804d7fd70;p=linux-2.6-microblaze.git

s390/decompressor: fix build warning

Fixes the following warning with CONFIG_KERNEL_UNCOMPRESSED=y

arch/s390/boot/compressed/decompressor.h:6:46: warning: non-void function
does not return a value [-Wreturn-type]
static inline void *decompress_kernel(void) {}
                                             ^

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
---

diff --git a/arch/s390/boot/compressed/decompressor.h b/arch/s390/boot/compressed/decompressor.h
index c15eb7114d83..41f0ad97a4db 100644
--- a/arch/s390/boot/compressed/decompressor.h
+++ b/arch/s390/boot/compressed/decompressor.h
@@ -2,8 +2,10 @@
 #ifndef BOOT_COMPRESSED_DECOMPRESSOR_H
 #define BOOT_COMPRESSED_DECOMPRESSOR_H
 
+#include <linux/stddef.h>
+
 #ifdef CONFIG_KERNEL_UNCOMPRESSED
-static inline void *decompress_kernel(void) {}
+static inline void *decompress_kernel(void) { return NULL; }
 #else
 void *decompress_kernel(void);
 #endif