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0426a97c4b
Use kmemdup rather than duplicating its implementation Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
41 lines
849 B
Plaintext
41 lines
849 B
Plaintext
/// Use kmemdup 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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@r1@
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expression from,to;
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expression flag;
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position p;
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@@
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to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag);
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@r2@
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expression x,from,to;
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expression flag,E1;
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position p;
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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 = \(kmalloc@p\|kzalloc@p\)(x,flag);
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@@
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expression from,to,size,flag;
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position p != {r1.p,r2.p};
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statement S;
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@@
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- to = \(kmalloc@p\|kzalloc@p\)(size,flag);
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+ to = kmemdup(from,size,flag);
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if (to==NULL || ...) S
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- memcpy(to, from, size);
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