mirror of https://gitee.com/openkylin/linux.git
40 lines
973 B
Plaintext
40 lines
973 B
Plaintext
/// Use kstrdup rather than duplicating its implementation
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///
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// Confidence: High
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// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
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// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
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// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
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// URL: http://coccinelle.lip6.fr/
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// Comments:
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// Options: -no_includes -include_headers
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virtual patch
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@@
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expression from,to;
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expression flag,E1,E2;
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statement S;
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@@
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- to = kmalloc(strlen(from) + 1,flag);
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+ to = kstrdup(from, flag);
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... when != \(from = E1 \| to = E1 \)
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if (to==NULL || ...) S
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... when != \(from = E2 \| to = E2 \)
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- strcpy(to, from);
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@@
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expression x,from,to;
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expression flag,E1,E2,E3;
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statement S;
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@@
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- x = strlen(from) + 1;
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... when != \( x = E1 \| from = E1 \)
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- to = \(kmalloc\|kzalloc\)(x,flag);
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+ to = kstrdup(from, flag);
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... when != \(x = E2 \| from = E2 \| to = E2 \)
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if (to==NULL || ...) S
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... when != \(x = E3 \| from = E3 \| to = E3 \)
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- memcpy(to, from, x);
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