Hi, sorry for slow reply... Can we patch something to make this script run by default on bq7xxxx_battery_i2c build? If so let's do that. Also maybe the name of the script should include "bq27xxx_data"? Few more comments below... On Sun, Oct 1, 2017 at 5:42 AM, Julia Lawall <Julia.Lawall@xxxxxxx> wrote: > This semantic patch detects duplicate arrays declared using BQ27XXX_DATA > within a single structure. It is currently specific to the file > drivers/power/supply/bq27xxx_battery.c. > > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> > > --- > scripts/coccinelle/api/battery.cocci | 161 +++++++++++++++++++++++++++++++++++ > 1 file changed, 161 insertions(+) > > diff --git a/scripts/coccinelle/api/battery.cocci b/scripts/coccinelle/api/battery.cocci > new file mode 100644 > index 0000000..77c145a > --- /dev/null > +++ b/scripts/coccinelle/api/battery.cocci > @@ -0,0 +1,161 @@ > +/// Detect BQ27XXX_DATA structures with identical registers, dm registers or > +/// properties. > +//# Doesn't unfold macros used in register or property fields. > +//# Requires OCaml scripting > +/// > +// Confidence: High > +// Copyright: (C) 2017 Julia Lawall, Inria/LIP6, GPLv2. > +// URL: http://coccinelle.lip6.fr/ > +// Requires: 1.0.7 > +// Keywords: BQ27XXX_DATA > + > +virtual report > + > +@initialize:ocaml@ > +@@ > + > +let print_report p msg = > + let p = List.hd p in > + Printf.printf "%s:%d:%d-%d: %s" p.file p.line p.col p.col_end msg > + > +@str depends on report@ > +type t; > +identifier i,i1,i2; > +expression e1,e2; > +@@ > + > +t i[] = { > + ..., > + [e1] = BQ27XXX_DATA(i1,...), > + ..., > + [e2] = BQ27XXX_DATA(i2,...), > + ..., > +}; > + > +@script:ocaml tocheck@ > +i1 << str.i1; > +i2 << str.i2; > +i1regs; i2regs; > +i1dmregs; i2dmregs; > +i1props; i2props; > +@@ > + > +if not(i1 = i2) > +then > + begin > + i1regs := make_ident (i1 ^ "_regs"); > + i2regs := make_ident (i2 ^ "_regs"); > + i1dmregs := make_ident (i1 ^ "_dm_regs"); > + i2dmregs := make_ident (i2 ^ "_dm_regs"); > + i1props := make_ident (i1 ^ "_props"); > + i2props := make_ident (i2 ^ "_props") > + end > + > +(* ---------------------------------------------------------------- *) > + > +@getregs1@ > +typedef u8; > +identifier tocheck.i1regs; > +initializer list i1regs_vals; > +position p1; > +@@ > + > +u8 i1regs@p1[...] = { i1regs_vals, }; > + > +@getregs2@ > +identifier tocheck.i2regs; > +initializer list i2regs_vals; > +position p2; > +@@ > + > +u8 i2regs@p2[...] = { i2regs_vals, }; > + > +@script:ocaml@ > +(_,i1regs_vals) << getregs1.i1regs_vals; > +(_,i2regs_vals) << getregs2.i2regs_vals; > +i1regs << tocheck.i1regs; > +i2regs << tocheck.i2regs; > +p1 << getregs1.p1; > +p2 << getregs2.p2; > +@@ > + > +if i1regs < i2regs && > + List.sort compare i1regs_vals = List.sort compare i2regs_vals > +then > + let msg = > + Printf.sprintf > + "WARNING %s and %s (line %d) have the same registers\n" "are identical" vs "have the same..." > + i1regs i2regs (List.hd p2).line in > + print_report p1 msg > + > +(* ---------------------------------------------------------------- *) > + > +@getdmregs1@ > +identifier tocheck.i1dmregs; > +initializer list i1dmregs_vals; > +position p1; > +@@ > + > +struct bq27xxx_dm_reg i1dmregs@p1[] = { i1dmregs_vals, }; > + > +@getdmregs2@ > +identifier tocheck.i2dmregs; > +initializer list i2dmregs_vals; > +position p2; > +@@ > + > +struct bq27xxx_dm_reg i2dmregs@p2[] = { i2dmregs_vals, }; > + > +@script:ocaml@ > +(_,i1dmregs_vals) << getdmregs1.i1dmregs_vals; > +(_,i2dmregs_vals) << getdmregs2.i2dmregs_vals; > +i1dmregs << tocheck.i1dmregs; > +i2dmregs << tocheck.i2dmregs; > +p1 << getdmregs1.p1; > +p2 << getdmregs2.p2; > +@@ > + > +if i1dmregs < i2dmregs && > + List.sort compare i1dmregs_vals = List.sort compare i2dmregs_vals > +then > + let msg = > + Printf.sprintf > + "WARNING %s and %s (line %d) have the same dm registers\n" "are identical" vs "have the same..." > + i1dmregs i2dmregs (List.hd p2).line in > + print_report p1 msg > + > +(* ---------------------------------------------------------------- *) > + > +@getprops1@ > +identifier tocheck.i1props; > +initializer list[n1] i1props_vals; > +position p1; > +@@ > + > +enum power_supply_property i1props@p1[] = { i1props_vals, }; > + > +@getprops2@ > +identifier tocheck.i2props; > +initializer list[n2] i2props_vals; > +position p2; > +@@ > + > +enum power_supply_property i2props@p2[] = { i2props_vals, }; > + > +@script:ocaml@ > +(_,i1props_vals) << getprops1.i1props_vals; > +(_,i2props_vals) << getprops2.i2props_vals; > +i1props << tocheck.i1props; > +i2props << tocheck.i2props; > +p1 << getprops1.p1; > +p2 << getprops2.p2; > +@@ > + > +if i1props < i2props && > + List.sort compare i1props_vals = List.sort compare i2props_vals > +then > + let msg = > + Printf.sprintf > + "WARNING %s and %s (line %d) have the same properties\n" "are identical" vs "have the same..." > + i1props i2props (List.hd p2).line in > + print_report p1 msg > -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
