/// Use kmemdup rather than duplicating its implementation /// // Confidence: High // Copyright: (C) 2010-2012 Nicolas Palix. GPLv2. // Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. GPLv2. // Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2. // URL: http://coccinelle.lip6.fr/ // Comments: // Options: --no-includes --include-headers virtual patch virtual context virtual org virtual report @r1@ expression from,to; expression flag; position p; @@ to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag); @r2@ expression x,from,to; expression flag,E1; position p; @@ x = strlen(from) + 1; ... when != \( x = E1 \| from = E1 \) to = \(kmalloc@p\|kzalloc@p\)(x,flag); @depends on patch@ expression from,to,size,flag; position p != {r1.p,r2.p}; statement S; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || ...) S - memcpy(to, from, size); @r depends on !patch@ expression from,to,size,flag; position p != {r1.p,r2.p}; statement S; @@ * to = \(kmalloc@p\|kzalloc@p\)(size,flag); to = kmemdup(from,size,flag); if (to==NULL || ...) S * memcpy(to, from, size); @script:python depends on org@ p << r.p; @@ coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdep") @script:python depends on report@ p << r.p; @@ coccilib.report.print_report(p[0], "WARNING opportunity for kmemdep")
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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