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-rw-r--r--Documentation/coccinelle.txt4
-rw-r--r--scripts/coccinelle/misc/doubleinit.cocci6
-rw-r--r--scripts/coccinelle/null/deref_null.cocci39
3 files changed, 21 insertions, 28 deletions
diff --git a/Documentation/coccinelle.txt b/Documentation/coccinelle.txt
index 4a276ea7001c..96b690348ba1 100644
--- a/Documentation/coccinelle.txt
+++ b/Documentation/coccinelle.txt
@@ -36,6 +36,10 @@ as a regular user, and install it with
sudo make install
+The semantic patches in the kernel will work best with Coccinelle version
+0.2.4 or later. Using earlier versions may incur some parse errors in the
+semantic patch code, but any results that are obtained should still be
+correct.
Using Coccinelle on the Linux kernel
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/scripts/coccinelle/misc/doubleinit.cocci b/scripts/coccinelle/misc/doubleinit.cocci
index 55d7dc19dfe0..156b20adb351 100644
--- a/scripts/coccinelle/misc/doubleinit.cocci
+++ b/scripts/coccinelle/misc/doubleinit.cocci
@@ -7,7 +7,7 @@
// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
// URL: http://coccinelle.lip6.fr/
-// Comments:
+// Comments: requires at least Coccinelle 0.2.4, lex or parse error otherwise
// Options: -no_includes -include_headers
virtual org
@@ -19,7 +19,7 @@ position p0,p;
expression E;
@@
-struct I s =@p0 { ... .fld@p = E, ...};
+struct I s =@p0 { ..., .fld@p = E, ...};
@s@
identifier I, s, r.fld;
@@ -27,7 +27,7 @@ position r.p0,p;
expression E;
@@
-struct I s =@p0 { ... .fld@p = E, ...};
+struct I s =@p0 { ..., .fld@p = E, ...};
@script:python depends on org@
p0 << r.p0;
diff --git a/scripts/coccinelle/null/deref_null.cocci b/scripts/coccinelle/null/deref_null.cocci
index 9969d76d0f4b..cdac6cfcce92 100644
--- a/scripts/coccinelle/null/deref_null.cocci
+++ b/scripts/coccinelle/null/deref_null.cocci
@@ -11,21 +11,10 @@
// Options:
virtual context
-virtual patch
virtual org
virtual report
-@initialize:python depends on !context && patch && !org && !report@
-
-import sys
-print >> sys.stderr, "This semantic patch does not support the 'patch' mode."
-
-@depends on patch@
-@@
-
-this_rule_should_never_matches();
-
-@ifm depends on !patch@
+@ifm@
expression *E;
statement S1,S2;
position p1;
@@ -35,7 +24,7 @@ if@p1 ((E == NULL && ...) || ...) S1 else S2
// The following two rules are separate, because both can match a single
// expression in different ways
-@pr1 depends on !patch expression@
+@pr1 expression@
expression *ifm.E;
identifier f;
position p1;
@@ -43,7 +32,7 @@ position p1;
(E != NULL && ...) ? <+...E->f@p1...+> : ...
-@pr2 depends on !patch expression@
+@pr2 expression@
expression *ifm.E;
identifier f;
position p2;
@@ -59,7 +48,7 @@ position p2;
// For org and report modes
-@r depends on !context && !patch && (org || report) exists@
+@r depends on !context && (org || report) exists@
expression subE <= ifm.E;
expression *ifm.E;
expression E1,E2;
@@ -99,7 +88,7 @@ if@p1 ((E == NULL && ...) || ...)
}
else S3
-@script:python depends on !context && !patch && !org && report@
+@script:python depends on !context && !org && report@
p << r.p;
p1 << ifm.p1;
x << ifm.E;
@@ -109,7 +98,7 @@ msg="ERROR: %s is NULL but dereferenced." % (x)
coccilib.report.print_report(p[0], msg)
cocci.include_match(False)
-@script:python depends on !context && !patch && org && !report@
+@script:python depends on !context && org && !report@
p << r.p;
p1 << ifm.p1;
x << ifm.E;
@@ -120,7 +109,7 @@ msg_safe=msg.replace("[","@(").replace("]",")")
cocci.print_main(msg_safe,p)
cocci.include_match(False)
-@s depends on !context && !patch && (org || report) exists@
+@s depends on !context && (org || report) exists@
expression subE <= ifm.E;
expression *ifm.E;
expression E1,E2;
@@ -159,7 +148,7 @@ if@p1 ((E == NULL && ...) || ...)
}
else S3
-@script:python depends on !context && !patch && !org && report@
+@script:python depends on !context && !org && report@
p << s.p;
p1 << ifm.p1;
x << ifm.E;
@@ -168,7 +157,7 @@ x << ifm.E;
msg="ERROR: %s is NULL but dereferenced." % (x)
coccilib.report.print_report(p[0], msg)
-@script:python depends on !context && !patch && org && !report@
+@script:python depends on !context && org && !report@
p << s.p;
p1 << ifm.p1;
x << ifm.E;
@@ -180,7 +169,7 @@ cocci.print_main(msg_safe,p)
// For context mode
-@depends on context && !patch && !org && !report exists@
+@depends on context && !org && !report exists@
expression subE <= ifm.E;
expression *ifm.E;
expression E1,E2;
@@ -223,7 +212,7 @@ else S3
// The following three rules are duplicates of ifm, pr1 and pr2 respectively.
// It is need because the previous rule as already made a "change".
-@ifm1 depends on !patch@
+@ifm1@
expression *E;
statement S1,S2;
position p1;
@@ -231,7 +220,7 @@ position p1;
if@p1 ((E == NULL && ...) || ...) S1 else S2
-@pr11 depends on !patch expression@
+@pr11 expression@
expression *ifm1.E;
identifier f;
position p1;
@@ -239,7 +228,7 @@ position p1;
(E != NULL && ...) ? <+...E->f@p1...+> : ...
-@pr12 depends on !patch expression@
+@pr12 expression@
expression *ifm1.E;
identifier f;
position p2;
@@ -253,7 +242,7 @@ position p2;
sizeof(<+...E->f@p2...+>)
)
-@depends on context && !patch && !org && !report exists@
+@depends on context && !org && !report exists@
expression subE <= ifm1.E;
expression *ifm1.E;
expression E1,E2;