[Xen-devel] [PATCH 12 of 18] tools/memshr: fix build errors caused by Werror

[Olaf Hering <olaf@xxxxxxxxx>]

# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1333397566 -7200
# Node ID 5d89ebdf878b8b0647a688d0ef938bb933772d86
# Parent  c582ef14a24cb2186c1748047a62a85fae0dbeb3
tools/memshr: fix build errors caused by Werror

-O2 -Wall -Werror triggers these warnings:

cc1: warnings being treated as errors
interface.c: In function 'memshr_daemon_initialize':
interface.c:55: error: unused variable 'h'
interface.c:54: error: unused variable 'shm_base_addr'
cc1: warnings being treated as errors
bidir-hash.h:47: error: 'fgprtshr_fgprt_hash' defined but not used
bidir-hash.h:52: error: 'fgprtshr_mfn_hash' defined but not used
bidir-hash.h:57: error: 'fgprtshr_fgprt_cmp' defined but not used
bidir-hash.h:62: error: 'fgprtshr_mfn_cmp' defined but not used
make[3]: *** [interface.o] Error 1
make[3]: *** [bidir-daemon.o] Error 1
cc1: warnings being treated as errors
bidir-hash.h:47: error: 'fgprtshr_fgprt_hash' defined but not used
bidir-hash.h:52: error: 'fgprtshr_mfn_hash' defined but not used
bidir-hash.h:57: error: 'fgprtshr_fgprt_cmp' defined but not used
bidir-hash.h:62: error: 'fgprtshr_mfn_cmp' defined but not used

Mark fingerprint functions as inline, remove unused variables.

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

diff -r c582ef14a24c -r 5d89ebdf878b tools/memshr/bidir-hash.h
--- a/tools/memshr/bidir-hash.h
+++ b/tools/memshr/bidir-hash.h
@@ -43,22 +43,22 @@ typedef struct vbdblk {
 #undef BIDIR_VALUE
 #undef BIDIR_KEY_T
 #undef BIDIR_VALUE_T
-static uint32_t fgprtshr_fgprt_hash(uint32_t h)
+static inline uint32_t fgprtshr_fgprt_hash(uint32_t h)
 {
     return h;
 }
 
-static uint32_t fgprtshr_mfn_hash(uint64_t m)
+static inline uint32_t fgprtshr_mfn_hash(uint64_t m)
 {
     return (uint32_t)m;
 }
 
-static int fgprtshr_fgprt_cmp(uint32_t h1, uint32_t h2)
+static inline int fgprtshr_fgprt_cmp(uint32_t h1, uint32_t h2)
 {
     return (h1 == h2);
 }
 
-static int fgprtshr_mfn_cmp(uint32_t m1, uint32_t m2)
+static inline int fgprtshr_mfn_cmp(uint32_t m1, uint32_t m2)
 {
     return (m1 == m2);
 }
diff -r c582ef14a24c -r 5d89ebdf878b tools/memshr/interface.c
--- a/tools/memshr/interface.c
+++ b/tools/memshr/interface.c
@@ -51,9 +51,6 @@ void memshr_set_domid(int domid)
 
 void memshr_daemon_initialize(void)
 {
-    void *shm_base_addr;
-    struct fgprtshr_hash *h;
-
     memset(&memshr, 0, sizeof(private_memshr_info_t));
 
     if((SHARED_INFO = shm_shared_info_open(1)) == NULL)

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