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f7b1671137
Created coccinelle script for reporting missing pci_free_consistent() calls. Signed-off-by: Petr Strnad <strnape1@fel.cvut.cz> Signed-off-by: Nicolas Palix <nicolas.palix@imag.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
/// Find missing pci_free_consistent for every pci_alloc_consistent.
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///
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// Confidence: Moderate
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// Copyright: (C) 2013 Petr Strnad. GPLv2.
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// URL: http://coccinelle.lip6.fr/
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// Keywords: pci_free_consistent, pci_alloc_consistent
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// Options: --no-includes --include-headers
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virtual report
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virtual org
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@search@
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local idexpression id;
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expression x,y,z,e;
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position p1,p2;
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type T;
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@@
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id = pci_alloc_consistent@p1(x,y,&z)
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... when != e = id
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if (id == NULL || ...) { ... return ...; }
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... when != pci_free_consistent(x,y,id,z)
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when != if (id) { ... pci_free_consistent(x,y,id,z) ... }
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when != if (y) { ... pci_free_consistent(x,y,id,z) ... }
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when != e = (T)id
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when exists
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(
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return 0;
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return 1;
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return id;
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return@p2 ...;
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)
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@script:python depends on report@
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p1 << search.p1;
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p2 << search.p2;
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@@
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msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
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coccilib.report.print_report(p2[0],msg)
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@script:python depends on org@
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p1 << search.p1;
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p2 << search.p2;
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@@
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msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
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cocci.print_main(msg,p1)
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cocci.print_secs("",p2)
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