Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/…

…mmarek/kbuild

Pull kbuild misc changes from Michal Marek:
 "In the non-critical part of kbuild, I have
   - Some make coccicheck improvements and two new tests
   - Support for a cleaner html output in scripts/kernel-doc, named
     html5 (no, it does not play videos, yet)

  BTW, Randy wants to route further kernel-doc patches through the
  kbuild tree."

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  Update SmPL/Coccinelle section of MAINTAINERS
  coccicheck: Add the rep+ctxt mode
  scripts/coccinelle/tests/odd_ptr_err.cocci: semantic patch for IS_ERR/PTR_ERR inconsistency
  scripts/tags.sh: Add magic for pci access functions
  scripts/coccinelle: ptr_ret: Add ternary operator version
  scripts/kernel-doc: drop maintainer
  scripts/kernel-doc: added support for html5

MAINTAINERS

@@ -1958,10 +1958,10 @@ S:	Supported
 F:	drivers/platform/x86/classmate-laptop.c
 
 COCCINELLE/Semantic Patches (SmPL)
-M:	Julia Lawall <julia@diku.dk>
+M:	Julia Lawall <Julia.Lawall@lip6.fr>
 M:	Gilles Muller <Gilles.Muller@lip6.fr>
-M:	Nicolas Palix <npalix.work@gmail.com>
-L:	cocci@diku.dk (moderated for non-subscribers)
+M:	Nicolas Palix <nicolas.palix@imag.fr>
+L:	cocci@systeme.lip6.fr (moderated for non-subscribers)
 W:	http://coccinelle.lip6.fr/
 S:	Supported
 F:	scripts/coccinelle/
@@ -2423,11 +2423,6 @@ S:	Maintained
 F:	Documentation/hwmon/dme1737
 F:	drivers/hwmon/dme1737.c
 
-DOCBOOK FOR DOCUMENTATION
-M:	Randy Dunlap <rdunlap@xenotime.net>
-S:	Maintained
-F:	scripts/kernel-doc
-
 DOCKING STATION DRIVER
 M:	Shaohua Li <shaohua.li@intel.com>
 L:	linux-acpi@vger.kernel.org

scripts/coccicheck

@@ -95,6 +95,9 @@ coccinelle () {
 	$SPATCH -D report  $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
 	$SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
 	$SPATCH -D org     $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
+    elif [ "$MODE" = "rep+ctxt" ] ; then
+	$SPATCH -D report  $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff && \
+	$SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
     else
 	$SPATCH -D $MODE   $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
     fi

scripts/coccinelle/api/ptr_ret.cocci

@@ -30,6 +30,13 @@ expression ptr;
 - if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0;
 + return PTR_RET(ptr);
 
+@depends on patch@
+expression ptr;
+@@
+
+- (IS_ERR(ptr) ? PTR_ERR(ptr) : 0)
++ PTR_RET(ptr)
+
 @r1 depends on !patch@
 expression ptr;
 position p1;
@@ -44,6 +51,13 @@ position p2;
 
 * if@p2 (IS_ERR(ptr)) return PTR_ERR(ptr); return 0;
 
+@r3 depends on !patch@
+expression ptr;
+position p3;
+@@
+
+* IS_ERR@p3(ptr) ? PTR_ERR(ptr) : 0
+
 @script:python depends on org@
 p << r1.p1;
 @@
@@ -57,6 +71,12 @@ p << r2.p2;
 
 coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
 
+@script:python depends on org@
+p << r3.p3;
+@@
+
+coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
+
 @script:python depends on report@
 p << r1.p1;
 @@
@@ -68,3 +88,9 @@ p << r2.p2;
 @@
 
 coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")
+
+@script:python depends on report@
+p << r3.p3;
+@@
+
+coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")

scripts/coccinelle/tests/odd_ptr_err.cocci

@@ -0,0 +1,65 @@
+/// PTR_ERR should access the value just tested by IS_ERR
+//# There can be false positives in the patch case, where it is the call
+//# IS_ERR that is wrong.
+///
+// Confidence: High
+// Copyright: (C) 2012 Julia Lawall, INRIA.  GPLv2.
+// Copyright: (C) 2012 Gilles Muller, INRIA.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+virtual context
+virtual org
+virtual report
+
+@depends on patch@
+expression e,e1;
+@@
+
+(
+if (IS_ERR(e)) { ... PTR_ERR(e) ... }
+|
+if (IS_ERR(e=e1)) { ... PTR_ERR(e) ... }
+|
+if (IS_ERR(e))
+ { ...
+  PTR_ERR(
+-   e1
++   e
+  )
+   ... }
+)
+
+@r depends on !patch@
+expression e,e1;
+position p1,p2;
+@@
+
+(
+if (IS_ERR(e)) { ... PTR_ERR(e) ... }
+|
+if (IS_ERR(e=e1)) { ... PTR_ERR(e) ... }
+|
+*if (IS_ERR@p1(e))
+ { ...
+*  PTR_ERR@p2(e1)
+   ... }
+)
+
+@script:python depends on org@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+cocci.print_main("inconsistent IS_ERR and PTR_ERR",p1)
+cocci.print_secs("PTR_ERR",p2)
+
+@script:python depends on report@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+msg = "inconsistent IS_ERR and PTR_ERR, PTR_ERR on line %s" % (p2[0].line)
+coccilib.report.print_report(p1[0],msg)