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📄 check_bq27xxx_data.cocci
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📄 d_find_alias.cocci
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📄 kstrdup.cocci
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📄 platform_no_drv_owner.cocci
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📄 pm_runtime.cocci
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📄 ptr_ret.cocci
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📄 resource_size.cocci
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📄 simple_open.cocci
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EDIT: ptr_ret.cocci
/// /// Use PTR_ERR_OR_ZERO 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_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")