/// /// 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")
Name | Type | Size | Permission | Actions |
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alloc | Folder | 0755 |
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debugfs | Folder | 0755 |
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check_bq27xxx_data.cocci | File | 3.42 KB | 0644 |
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d_find_alias.cocci | File | 1.28 KB | 0644 |
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drm-get-put.cocci | File | 1.93 KB | 0644 |
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err_cast.cocci | File | 1.07 KB | 0644 |
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kstrdup.cocci | File | 2.4 KB | 0644 |
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memdup.cocci | File | 1.35 KB | 0644 |
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memdup_user.cocci | File | 1.28 KB | 0644 |
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platform_no_drv_owner.cocci | File | 3.78 KB | 0644 |
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pm_runtime.cocci | File | 2.34 KB | 0644 |
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ptr_ret.cocci | File | 1.77 KB | 0644 |
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resource_size.cocci | File | 2.07 KB | 0644 |
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simple_open.cocci | File | 1.21 KB | 0644 |
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stream_open.cocci | File | 7.6 KB | 0644 |
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vma_pages.cocci | File | 1.48 KB | 0644 |
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