Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
  kernel-doc: fix param matching for array params
  kernel-doc: ignore kmemcheck_bitfield_begin/end
  kallsyms: fix inverted valid symbol checking
  kbuild: fix build error during make htmldocs

3 files changed, 23 insertions, 4 deletions

diff --git a/scripts/basic/docproc.c b/scripts/basic/docproc.c
index 4c9523ef9c00..99ca7a698687 100644
--- a/scripts/basic/docproc.c
+++ b/scripts/basic/docproc.c
@@ -385,7 +385,7 @@ int main(int argc, char *argv[])
         if (!srctree)
                 srctree = getcwd(NULL, 0);
         kernsrctree = getenv("KBUILD_SRC");
-        if (!kernsrctree)
+        if (!kernsrctree || !*kernsrctree)
                 kernsrctree = srctree;
         if (argc != 3) {
                 usage();
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 3cb57895c9ea..64343cc084b4 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -167,11 +167,11 @@ static int symbol_valid_tr(struct sym_entry *s)
         for (i = 0; i < ARRAY_SIZE(text_ranges); ++i) {
                 tr = &text_ranges[i];
 
-                if (s->addr >= tr->start && s->addr < tr->end)
-                        return 0;
+                if (s->addr >= tr->start && s->addr <= tr->end)
+                        return 1;
         }
 
-        return 1;
+        return 0;
 }
 
 static int symbol_valid(struct sym_entry *s)
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index a193fa3f5272..ed591e9b7d1d 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1468,6 +1468,8 @@ sub dump_enum($$) {
             }
 
         }
+        # strip kmemcheck_bitfield_{begin,end}.*;
+        $members =~ s/kmemcheck_bitfield_.*?;//gos;
 
         output_declaration($declaration_name,
                            'enum',
@@ -1651,6 +1653,15 @@ sub push_parameter($$$) {
         }
         }
 
+        # strip spaces from $param so that it is one continous string
+        # on @parameterlist;
+        # this fixes a problem where check_sections() cannot find
+        # a parameter like "addr[6 + 2]" because it actually appears
+        # as "addr[6", "+", "2]" on the parameter list;
+        # but it's better to maintain the param string unchanged for output,
+        # so just weaken the string compare in check_sections() to ignore
+        # "[blah" in a parameter string;
+        ###$param =~ s/\s*//g;
         push @parameterlist, $param;
         $parametertypes{$param} = $type;
 }
@@ -1669,6 +1680,14 @@ sub check_sections($$$$$$) {
                         $prm_clean = $prms[$px];
                         $prm_clean =~ s/\[.*\]//;
                         $prm_clean =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//;
+                        # ignore array size in a parameter string;
+                        # however, the original param string may contain
+                        # spaces, e.g.:  addr[6 + 2]
+                        # and this appears in @prms as "addr[6" since the
+                        # parameter list is split at spaces;
+                        # hence just ignore "[..." for the sections check;
+                        $prm_clean =~ s/\[.*//;
+
                         ##$prm_clean =~ s/^\**//;
                         if ($prm_clean eq $sects[$sx]) {
                                 $err = 0;