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Merge branch 'for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux

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Pull coccinelle updates from Julia Lawall.

* 'for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
  scripts: coccicheck: Correct usage of make coccicheck
  coccinelle: update expiring email addresses
  coccinnelle: Remove ptr_ret script
  kbuild: do not use scripts/ld-version.sh for checking spatch version
  remove boolinit.cocci
This commit is contained in:
Linus Torvalds 2020-12-25 11:05:32 -08:00
commit 42dc45e844
5 changed files with 20 additions and 306 deletions
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4
MAINTAINERS
View File

@ -4355,8 +4355,8 @@ T: git git://linuxtv.org/media_tree.git
F: drivers/media/pci/cobalt/
COCCINELLE/Semantic Patches (SmPL)
M: Julia Lawall <Julia.Lawall@lip6.fr>
M: Gilles Muller <Gilles.Muller@lip6.fr>
M: Julia Lawall <Julia.Lawall@inria.fr>
M: Gilles Muller <Gilles.Muller@inria.fr>
M: Nicolas Palix <nicolas.palix@imag.fr>
M: Michal Marek <michal.lkml@markovi.net>
L: cocci@systeme.lip6.fr (moderated for non-subscribers)

26
scripts/coccicheck
View File

@ -16,7 +16,6 @@ if [ ! -x "$SPATCH" ]; then
fi
SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh)
USE_JOBS="no"
$SPATCH --help | grep "\-\-jobs" > /dev/null && USE_JOBS="yes"
@ -61,6 +60,18 @@ COCCIINCLUDE=${COCCIINCLUDE// -include/ --include}
if [ "$C" = "1" -o "$C" = "2" ]; then
ONLINE=1
if [[ $# -le 0 ]]; then
echo ''
echo 'Specifying both the variable "C" and rule "coccicheck" in the make
command results in a shift count error.'
echo ''
echo 'Try specifying "scripts/coccicheck" as a value for the CHECK variable instead.'
echo ''
echo 'Example: make C=2 CHECK=scripts/coccicheck drivers/net/ethernet/ethoc.o'
echo ''
exit 1
fi
# Take only the last argument, which is the C file to test
shift $(( $# - 1 ))
OPTIONS="$COCCIINCLUDE $1"
@ -186,14 +197,11 @@ coccinelle () {
OPT=`grep "Options:" $COCCI | cut -d':' -f2`
REQ=`grep "Requires:" $COCCI | cut -d':' -f2 | sed "s| ||"`
REQ_NUM=$(echo $REQ | ${DIR}/scripts/ld-version.sh)
if [ "$REQ_NUM" != "0" ] ; then
if [ "$SPATCH_VERSION_NUM" -lt "$REQ_NUM" ] ; then
echo "Skipping coccinelle SmPL patch: $COCCI"
echo "You have coccinelle: $SPATCH_VERSION"
echo "This SmPL patch requires: $REQ"
return
fi
if [ -n "$REQ" ] && ! { echo "$REQ"; echo "$SPATCH_VERSION"; } | sort -CV ; then
echo "Skipping coccinelle SmPL patch: $COCCI"
echo "You have coccinelle: $SPATCH_VERSION"
echo "This SmPL patch requires: $REQ"
return
fi
# The option '--parse-cocci' can be used to syntactically check the SmPL files.

97
scripts/coccinelle/api/ptr_ret.cocci
View File

@ -1,97 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-only
///
/// Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
///
// Confidence: High
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.
// URL: http://coccinelle.lip6.fr/
// Options: --no-includes --include-headers
//
// Keywords: ERR_PTR, PTR_ERR, PTR_ERR_OR_ZERO
// Version min: 2.6.39
//
virtual context
virtual patch
virtual org
virtual report
@depends on patch@
expression ptr;
@@
- if (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0;
+ return PTR_ERR_OR_ZERO(ptr);
@depends on patch@
expression ptr;
@@
- if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0;
+ return PTR_ERR_OR_ZERO(ptr);
@depends on patch@
expression ptr;
@@
- (IS_ERR(ptr) ? PTR_ERR(ptr) : 0)
+ PTR_ERR_OR_ZERO(ptr)
@r1 depends on !patch@
expression ptr;
position p1;
@@
* if@p1 (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0;
@r2 depends on !patch@
expression ptr;
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;
@@
coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on org@
p << r2.p2;
@@
coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on org@
p << r3.p3;
@@
coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on report@
p << r1.p1;
@@
coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on report@
p << r2.p2;
@@
coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on report@
p << r3.p3;
@@
coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")

195
scripts/coccinelle/misc/boolinit.cocci
View File

@ -1,195 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-only
/// Bool initializations should use true and false. Bool tests don't need
/// comparisons. Based on contributions from Joe Perches, Rusty Russell
/// and Bruce W Allan.
///
// Confidence: High
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.
// URL: http://coccinelle.lip6.fr/
// Options: --include-headers
virtual patch
virtual context
virtual org
virtual report
@boolok@
symbol true,false;
@@
(
true
|
false
)
@depends on patch@
bool t;
@@
(
- t == true
+ t
|
- true == t
+ t
|
- t != true
+ !t
|
- true != t
+ !t
|
- t == false
+ !t
|
- false == t
+ !t
|
- t != false
+ t
|
- false != t
+ t
)
@depends on patch disable is_zero, isnt_zero@
bool t;
@@
(
- t == 1
+ t
|
- t != 1
+ !t
|
- t == 0
+ !t
|
- t != 0
+ t
)
@depends on patch && boolok@
bool b;
@@
(
b =
- 0
+ false
|
b =
- 1
+ true
)
// ---------------------------------------------------------------------
@r1 depends on !patch@
bool t;
position p;
@@
(
* t@p == true
|
* true == t@p
|
* t@p != true
|
* true != t@p
|
* t@p == false
|
* false == t@p
|
* t@p != false
|
* false != t@p
)
@r2 depends on !patch disable is_zero, isnt_zero@
bool t;
position p;
@@
(
* t@p == 1
|
* t@p != 1
|
* t@p == 0
|
* t@p != 0
)
@r3 depends on !patch && boolok@
bool b;
position p1;
@@
(
*b@p1 = 0
|
*b@p1 = 1
)
@r4 depends on !patch@
bool b;
position p2;
identifier i;
constant c != {0,1};
@@
(
b = i
|
*b@p2 = c
)
@script:python depends on org@
p << r1.p;
@@
cocci.print_main("WARNING: Comparison to bool",p)
@script:python depends on org@
p << r2.p;
@@
cocci.print_main("WARNING: Comparison of 0/1 to bool variable",p)
@script:python depends on org@
p1 << r3.p1;
@@
cocci.print_main("WARNING: Assignment of 0/1 to bool variable",p1)
@script:python depends on org@
p2 << r4.p2;
@@
cocci.print_main("ERROR: Assignment of non-0/1 constant to bool variable",p2)
@script:python depends on report@
p << r1.p;
@@
coccilib.report.print_report(p[0],"WARNING: Comparison to bool")
@script:python depends on report@
p << r2.p;
@@
coccilib.report.print_report(p[0],"WARNING: Comparison of 0/1 to bool variable")
@script:python depends on report@
p1 << r3.p1;
@@
coccilib.report.print_report(p1[0],"WARNING: Assignment of 0/1 to bool variable")
@script:python depends on report@
p2 << r4.p2;
@@
coccilib.report.print_report(p2[0],"ERROR: Assignment of non-0/1 constant to bool variable")

4
scripts/nsdeps
View File

@ -12,11 +12,9 @@ if [ ! -x "$SPATCH" ]; then
exit 1
fi
SPATCH_REQ_VERSION_NUM=$(echo $SPATCH_REQ_VERSION | ${DIR}/scripts/ld-version.sh)
SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh)
if [ "$SPATCH_VERSION_NUM" -lt "$SPATCH_REQ_VERSION_NUM" ] ; then
if ! { echo "$SPATCH_REQ_VERSION"; echo "$SPATCH_VERSION"; } | sort -CV ; then
echo "spatch needs to be version $SPATCH_REQ_VERSION or higher"
exit 1
fi