[GitHub/mt8127/android_kernel_alcatel_ttab.git] / scripts / coccinelle / api / ptr_ret.cocci

///
/// Use PTR_RET rather than if(IS_ERR(...)) + PTR_ERR
///
// Confidence: High
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.  GPLv2.
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.  GPLv2.
// URL: http://coccinelle.lip6.fr/
// Options: -no_includes -include_headers
//
// Keywords: ERR_PTR, PTR_ERR, PTR_RET
// 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_RET(ptr);

@depends on patch@
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;
@@

* 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_RET can be used")


@script:python depends on org@
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;
@@

coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")

@script:python depends on report@
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")
Commit	Line	Data
468db961 JL	1	///
	2	/// Use PTR_RET rather than if(IS_ERR(...)) + PTR_ERR
	3	///
	4	// Confidence: High
	5	// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2.
	6	// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2.
	7	// URL: http://coccinelle.lip6.fr/
	8	// Options: -no_includes -include_headers
	9	//
	10	// Keywords: ERR_PTR, PTR_ERR, PTR_RET
	11	// Version min: 2.6.39
	12	//
	13
	14	virtual context
	15	virtual patch
	16	virtual org
	17	virtual report
	18
	19	@depends on patch@
	20	expression ptr;
	21	@@
	22
	23	- if (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0;
	24	+ return PTR_RET(ptr);
	25
	26	@depends on patch@
	27	expression ptr;
	28	@@
	29
	30	- if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0;
	31	+ return PTR_RET(ptr);
	32
30858973 LPC	33	@depends on patch@
	34	expression ptr;
	35	@@
	36
	37	- (IS_ERR(ptr) ? PTR_ERR(ptr) : 0)
	38	+ PTR_RET(ptr)
	39
468db961 JL	40	@r1 depends on !patch@
	41	expression ptr;
	42	position p1;
	43	@@
	44
	45	* if@p1 (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0;
	46
	47	@r2 depends on !patch@
	48	expression ptr;
	49	position p2;
	50	@@
	51
	52	* if@p2 (IS_ERR(ptr)) return PTR_ERR(ptr); return 0;
	53
30858973 LPC	54	@r3 depends on !patch@
	55	expression ptr;
	56	position p3;
	57	@@
	58
	59	* IS_ERR@p3(ptr) ? PTR_ERR(ptr) : 0
	60
468db961 JL	61	@script:python depends on org@
	62	p << r1.p1;
	63	@@
	64
	65	coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
	66
	67
	68	@script:python depends on org@
	69	p << r2.p2;
	70	@@
	71
	72	coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
	73
30858973 LPC	74	@script:python depends on org@
	75	p << r3.p3;
	76	@@
	77
	78	coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
	79
468db961 JL	80	@script:python depends on report@
	81	p << r1.p1;
	82	@@
	83
	84	coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")
	85
	86	@script:python depends on report@
	87	p << r2.p2;
	88	@@
	89
	90	coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")
30858973 LPC	91
	92	@script:python depends on report@
	93	p << r3.p3;
	94	@@
	95
	96	coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")