[PATCH v2 1/2] x86/purgatory: Fix sparse warning, symbol not declared

From: Tobin C. Harding
Date: Sun Feb 12 2017 - 16:10:28 EST


Sparse emits several 'symbol not declared' warnings for various
functions and variables.

Add static keyword to functions and variables which have file scope
only.

Signed-off-by: Tobin C. Harding <me@xxxxxxxx>
---
arch/x86/purgatory/purgatory.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/purgatory/purgatory.c b/arch/x86/purgatory/purgatory.c
index 25e068b..2a5f437 100644
--- a/arch/x86/purgatory/purgatory.c
+++ b/arch/x86/purgatory/purgatory.c
@@ -18,11 +18,11 @@ struct sha_region {
unsigned long len;
};

-unsigned long backup_dest = 0;
-unsigned long backup_src = 0;
-unsigned long backup_sz = 0;
+static unsigned long backup_dest;
+static unsigned long backup_src;
+static unsigned long backup_sz;

-u8 sha256_digest[SHA256_DIGEST_SIZE] = { 0 };
+static u8 sha256_digest[SHA256_DIGEST_SIZE] = { 0 };

struct sha_region sha_regions[16] = {};

@@ -39,7 +39,7 @@ static int copy_backup_region(void)
return 0;
}

-int verify_sha256_digest(void)
+static int verify_sha256_digest(void)
{
struct sha_region *ptr, *end;
u8 digest[SHA256_DIGEST_SIZE];
--
2.7.4