lib: make LZ4_decompress_safe_forceExtDict() static

LZ4_decompress_safe_forceExtDict() is only used in
lib/lz4/lz4_decompress.c, make it static to fix the build warning about
"no previous prototype" [1].

[1] https://lore.kernel.org/lkml/202206260948.akgsho1q-lkp@intel.com/

Link: https://lkml.kernel.org/r/1656298965-8698-1-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c
index fd1728d94babb28f997bf10c2b2180ae5cdec2c0..59fe69a638000ec000a49fad540fd2715c7c07a1 100644 (file)
--- a/lib/lz4/lz4_decompress.c
+++ b/lib/lz4/lz4_decompress.c
@@ -507,9 +507,9 @@ static int LZ4_decompress_safe_withSmallPrefix(const char *source, char *dest,
                                      (BYTE *)dest - prefixSize, NULL, 0);
 }
 
-int LZ4_decompress_safe_forceExtDict(const char *source, char *dest,
-                                    int compressedSize, int maxOutputSize,
-                                    const void *dictStart, size_t dictSize)
+static int LZ4_decompress_safe_forceExtDict(const char *source, char *dest,
+                                           int compressedSize, int maxOutputSize,
+                                           const void *dictStart, size_t dictSize)
 {
        return LZ4_decompress_generic(source, dest,
                                      compressedSize, maxOutputSize,