Merge tag 'asoc-v3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.14

A few fixes, all driver speccific ones.  The DaVinci ones aren't as
clear as they should be from the subject lines on the commits but they
fix issues which will prevent correct operation in some use cases and
only affect that particular driver so are reasonably safe.

1 files changed, 29 insertions, 4 deletions

diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index cfede86161d8..b22dbb16f877 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -63,11 +63,35 @@ static int build_id_cache__kcore_dir(char *dir, size_t sz)
         return 0;
 }
 
+static bool same_kallsyms_reloc(const char *from_dir, char *to_dir)
+{
+        char from[PATH_MAX];
+        char to[PATH_MAX];
+        const char *name;
+        u64 addr1 = 0, addr2 = 0;
+        int i;
+
+        scnprintf(from, sizeof(from), "%s/kallsyms", from_dir);
+        scnprintf(to, sizeof(to), "%s/kallsyms", to_dir);
+
+        for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) {
+                addr1 = kallsyms__get_function_start(from, name);
+                if (addr1)
+                        break;
+        }
+
+        if (name)
+                addr2 = kallsyms__get_function_start(to, name);
+
+        return addr1 == addr2;
+}
+
 static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir,
                                           size_t to_dir_sz)
 {
         char from[PATH_MAX];
         char to[PATH_MAX];
+        char to_subdir[PATH_MAX];
         struct dirent *dent;
         int ret = -1;
         DIR *d;
@@ -86,10 +110,11 @@ static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir,
                         continue;
                 scnprintf(to, sizeof(to), "%s/%s/modules", to_dir,
                           dent->d_name);
-                if (!compare_proc_modules(from, to)) {
-                        scnprintf(to, sizeof(to), "%s/%s", to_dir,
-                                  dent->d_name);
-                        strlcpy(to_dir, to, to_dir_sz);
+                scnprintf(to_subdir, sizeof(to_subdir), "%s/%s",
+                          to_dir, dent->d_name);
+                if (!compare_proc_modules(from, to) &&
+                    same_kallsyms_reloc(from_dir, to_subdir)) {
+                        strlcpy(to_dir, to_subdir, to_dir_sz);
                         ret = 0;
                         break;
                 }