diff options
Diffstat (limited to 'kernel/scripts/coccinelle/misc')
| -rw-r--r-- | kernel/scripts/coccinelle/misc/compare_const_fl.cocci | 171 | ||||
| -rw-r--r-- | kernel/scripts/coccinelle/misc/ifaddr.cocci | 3 | ||||
| -rw-r--r-- | kernel/scripts/coccinelle/misc/irqf_oneshot.cocci | 7 | ||||
| -rw-r--r-- | kernel/scripts/coccinelle/misc/of_table.cocci | 33 | ||||
| -rw-r--r-- | kernel/scripts/coccinelle/misc/returnvar.cocci | 2 | ||||
| -rw-r--r-- | kernel/scripts/coccinelle/misc/semicolon.cocci | 2 | ||||
| -rw-r--r-- | kernel/scripts/coccinelle/misc/simple_return.cocci | 180 |
7 files changed, 207 insertions, 191 deletions
diff --git a/kernel/scripts/coccinelle/misc/compare_const_fl.cocci b/kernel/scripts/coccinelle/misc/compare_const_fl.cocci new file mode 100644 index 000000000..b5d4bab60 --- /dev/null +++ b/kernel/scripts/coccinelle/misc/compare_const_fl.cocci @@ -0,0 +1,171 @@ +/// Move constants to the right of binary operators. +//# Depends on personal taste in some cases. +/// +// Confidence: Moderate +// Copyright: (C) 2015 Copyright: (C) 2015 Julia Lawall, Inria. GPLv2. +// URL: http://coccinelle.lip6.fr/ +// Options: --no-includes --include-headers + +virtual patch +virtual context +virtual org +virtual report + +@r1 depends on patch && !context && !org && !report + disable bitor_comm, neg_if_exp@ +constant c,c1; +local idexpression i; +expression e,e1,e2; +binary operator b = {==,!=,&,|}; +type t; +@@ + +( +c b (c1) +| +sizeof(t) b e1 +| +sizeof e b e1 +| +i b e1 +| +c | e1 | e2 | ... +| +c | (e ? e1 : e2) +| +- c ++ e +b +- e ++ c +) + +@r2 depends on patch && !context && !org && !report + disable gtr_lss, gtr_lss_eq, not_int2@ +constant c,c1; +expression e,e1,e2; +binary operator b; +binary operator b1 = {<,<=},b2 = {<,<=}; +binary operator b3 = {>,>=},b4 = {>,>=}; +local idexpression i; +type t; +@@ + +( +c b c1 +| +sizeof(t) b e1 +| +sizeof e b e1 +| + (e1 b1 e) && (e b2 e2) +| + (e1 b3 e) && (e b4 e2) +| +i b e +| +- c < e ++ e > c +| +- c <= e ++ e >= c +| +- c > e ++ e < c +| +- c >= e ++ e <= c +) + +// ---------------------------------------------------------------------------- + +@r1_context depends on !patch && (context || org || report) + disable bitor_comm, neg_if_exp exists@ +type t; +binary operator b = {==,!=,&,|}; +constant c, c1; +expression e, e1, e2; +local idexpression i; +position j0; +@@ + +( +c b (c1) +| +sizeof(t) b e1 +| +sizeof e b e1 +| +i b e1 +| +c | e1 | e2 | ... +| +c | (e ? e1 : e2) +| +* c@j0 b e +) + +@r2_context depends on !patch && (context || org || report) + disable gtr_lss, gtr_lss_eq, not_int2 exists@ +type t; +binary operator b, b1 = {<,<=}, b2 = {<,<=}, b3 = {>,>=}, b4 = {>,>=}; +constant c, c1; +expression e, e1, e2; +local idexpression i; +position j0; +@@ + +( +c b c1 +| +sizeof(t) b e1 +| +sizeof e b e1 +| + (e1 b1 e) && (e b2 e2) +| + (e1 b3 e) && (e b4 e2) +| +i b e +| +* c@j0 < e +| +* c@j0 <= e +| +* c@j0 > e +| +* c@j0 >= e +) + +// ---------------------------------------------------------------------------- + +@script:python r1_org depends on org@ +j0 << r1_context.j0; +@@ + +msg = "Move constant to right." +coccilib.org.print_todo(j0[0], msg) + +@script:python r2_org depends on org@ +j0 << r2_context.j0; +@@ + +msg = "Move constant to right." +coccilib.org.print_todo(j0[0], msg) + +// ---------------------------------------------------------------------------- + +@script:python r1_report depends on report@ +j0 << r1_context.j0; +@@ + +msg = "Move constant to right." +coccilib.report.print_report(j0[0], msg) + +@script:python r2_report depends on report@ +j0 << r2_context.j0; +@@ + +msg = "Move constant to right." +coccilib.report.print_report(j0[0], msg) + diff --git a/kernel/scripts/coccinelle/misc/ifaddr.cocci b/kernel/scripts/coccinelle/misc/ifaddr.cocci index 8aebd1875..c2663c677 100644 --- a/kernel/scripts/coccinelle/misc/ifaddr.cocci +++ b/kernel/scripts/coccinelle/misc/ifaddr.cocci @@ -1,5 +1,4 @@ -/// the address of a variable or field is non-zero is likely always to bo -/// non-zero +/// The address of a variable or field is likely always to be non-zero. /// // Confidence: High // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2. diff --git a/kernel/scripts/coccinelle/misc/irqf_oneshot.cocci b/kernel/scripts/coccinelle/misc/irqf_oneshot.cocci index a24a754ae..b421150a2 100644 --- a/kernel/scripts/coccinelle/misc/irqf_oneshot.cocci +++ b/kernel/scripts/coccinelle/misc/irqf_oneshot.cocci @@ -1,5 +1,8 @@ -/// Make sure threaded IRQs without a primary handler are always request with -/// IRQF_ONESHOT +/// Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests") +/// threaded IRQs without a primary handler need to be requested with +/// IRQF_ONESHOT, otherwise the request will fail. +/// +/// So pass the IRQF_ONESHOT flag in this case. /// // // Confidence: Good diff --git a/kernel/scripts/coccinelle/misc/of_table.cocci b/kernel/scripts/coccinelle/misc/of_table.cocci index 3c934046a..2294915a1 100644 --- a/kernel/scripts/coccinelle/misc/of_table.cocci +++ b/kernel/scripts/coccinelle/misc/of_table.cocci @@ -1,6 +1,6 @@ -/// Make sure of_device_id tables are NULL terminated +/// Make sure (of/i2c/platform)_device_id tables are NULL terminated // -// Keywords: of_table +// Keywords: of_table i2c_table platform_table // Confidence: Medium // Options: --include-headers @@ -13,18 +13,26 @@ virtual report identifier var, arr; expression E; @@ -struct of_device_id arr[] = { +( +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = { ..., { .var = E, * } }; +| +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = { + ..., +* { ..., E, ... }, +}; +) @depends on patch@ identifier var, arr; expression E; @@ -struct of_device_id arr[] = { +( +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = { ..., { .var = E, @@ -32,19 +40,34 @@ struct of_device_id arr[] = { + }, + { } }; +| +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = { + ..., + { ..., E, ... }, ++ { }, +}; +) @r depends on org || report@ position p1; identifier var, arr; expression E; @@ -struct of_device_id arr[] = { +( +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = { ..., { .var = E, } @p1 }; +| +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = { + ..., + { ..., E, ... } + @p1 +}; +) @script:python depends on org@ p1 << r.p1; diff --git a/kernel/scripts/coccinelle/misc/returnvar.cocci b/kernel/scripts/coccinelle/misc/returnvar.cocci index 605955a91..d8286ef53 100644 --- a/kernel/scripts/coccinelle/misc/returnvar.cocci +++ b/kernel/scripts/coccinelle/misc/returnvar.cocci @@ -1,5 +1,5 @@ /// -/// Removes unneeded variable used to store return value. +/// Remove unneeded variable used to store return value. /// // Confidence: Moderate // Copyright: (C) 2012 Peter Senna Tschudin, INRIA/LIP6. GPLv2. diff --git a/kernel/scripts/coccinelle/misc/semicolon.cocci b/kernel/scripts/coccinelle/misc/semicolon.cocci index a47eba2ed..6740c659a 100644 --- a/kernel/scripts/coccinelle/misc/semicolon.cocci +++ b/kernel/scripts/coccinelle/misc/semicolon.cocci @@ -1,5 +1,5 @@ /// -/// Removes unneeded semicolon. +/// Remove unneeded semicolon. /// // Confidence: Moderate // Copyright: (C) 2012 Peter Senna Tschudin, INRIA/LIP6. GPLv2. diff --git a/kernel/scripts/coccinelle/misc/simple_return.cocci b/kernel/scripts/coccinelle/misc/simple_return.cocci deleted file mode 100644 index 47f7084b6..000000000 --- a/kernel/scripts/coccinelle/misc/simple_return.cocci +++ /dev/null @@ -1,180 +0,0 @@ -/// Simplify a trivial if-return sequence. Possibly combine with a -/// preceding function call. -// -// Confidence: High -// Copyright: (C) 2014 Julia Lawall, INRIA/LIP6. GPLv2. -// Copyright: (C) 2014 Gilles Muller, INRIA/LiP6. GPLv2. -// URL: http://coccinelle.lip6.fr/ -// Comments: -// Options: --no-includes --include-headers - -virtual patch -virtual context -virtual org -virtual report - -@r depends on patch@ -local idexpression e; -identifier i,f,fn; -@@ - -fn(...) { <... -- e@i = -+ return - f(...); --if (i != 0) return i; --return 0; -...> } - -@depends on patch@ -identifier r.i; -type t; -@@ - --t i; - ... when != i - -@depends on patch@ -expression e; -@@ - --if (e != 0) - return e; --return 0; - -// ----------------------------------------------------------------------- - -@s1 depends on context || org || report@ -local idexpression e; -identifier i,f,fn; -position p,p1,p2; -@@ - -fn(...) { <... -* e@i@p = f(...); - if (\(i@p1 != 0\|i@p2 < 0\)) - return i; - return 0; -...> } - -@s2 depends on context || org || report forall@ -identifier s1.i; -type t; -position q,s1.p; -expression e,f; -@@ - -* t i@q; - ... when != i - e@p = f(...); - -@s3 depends on context || org || report@ -expression e; -position p1!=s1.p1; -position p2!=s1.p2; -@@ - -*if (\(e@p1 != 0\|e@p2 < 0\)) - return e; - return 0; - -// ----------------------------------------------------------------------- - -@script:python depends on org@ -p << s1.p; -p1 << s1.p1; -q << s2.q; -@@ - -cocci.print_main("decl",q) -cocci.print_secs("use",p) -cocci.include_match(False) - -@script:python depends on org@ -p << s1.p; -p2 << s1.p2; -q << s2.q; -@@ - -cocci.print_main("decl",q) -cocci.print_secs("use with questionable test",p) -cocci.include_match(False) - -@script:python depends on org@ -p << s1.p; -p1 << s1.p1; -@@ - -cocci.print_main("use",p) - -@script:python depends on org@ -p << s1.p; -p2 << s1.p2; -@@ - -cocci.print_main("use with questionable test",p) - -@script:python depends on org@ -p << s3.p1; -@@ - -cocci.print_main("test",p) - -@script:python depends on org@ -p << s3.p2; -@@ - -cocci.print_main("questionable test",p) - -// ----------------------------------------------------------------------- - -@script:python depends on report@ -p << s1.p; -p1 << s1.p1; -q << s2.q; -@@ - -msg = "WARNING: end returns can be simpified and declaration on line %s can be dropped" % (q[0].line) -coccilib.report.print_report(p[0],msg) -cocci.include_match(False) - -@script:python depends on report@ -p << s1.p; -p1 << s1.p1; -q << s2.q -; -@@ - -msg = "WARNING: end returns may be simpified if negative or 0 value and declaration on line %s can be dropped" % (q[0].line) -coccilib.report.print_report(p[0],msg) -cocci.include_match(False) - -@script:python depends on report@ -p << s1.p; -p1 << s1.p1; -@@ - -msg = "WARNING: end returns can be simpified" -coccilib.report.print_report(p[0],msg) - -@script:python depends on report@ -p << s1.p; -p2 << s1.p2; -@@ - -msg = "WARNING: end returns can be simpified if negative or 0 value" -coccilib.report.print_report(p[0],msg) - -@script:python depends on report@ -p << s3.p1; -@@ - -msg = "WARNING: end returns can be simpified" -coccilib.report.print_report(p[0],msg) - -@script:python depends on report@ -p << s3.p2; -@@ - -msg = "WARNING: end returns can be simpified if tested value is negative or 0" -coccilib.report.print_report(p[0],msg) |