forked from luck/tmp_suning_uos_patched
2d5c5dbb48
Failure to terminate an of_device_id table can lead to confusing failures depending on where the compiler places the array. Add a check to make sure these tables are terminated. Thanks to Mitchel Humpherys for coming up with the pattern initially. Cc: Mitchel Humpherys <mitchelh@codeaurora.org> Cc: Gilles Muller <Gilles.Muller@lip6.fr> Cc: Nicolas Palix <nicolas.palix@imag.fr> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
63 lines
831 B
Plaintext
63 lines
831 B
Plaintext
/// Make sure of_device_id tables are NULL terminated
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//
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// Keywords: of_table
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// Confidence: Medium
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// Options: --include-headers
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virtual patch
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virtual context
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virtual org
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virtual report
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@depends on context@
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identifier var, arr;
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expression E;
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@@
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struct of_device_id arr[] = {
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...,
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{
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.var = E,
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* }
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};
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@depends on patch@
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identifier var, arr;
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expression E;
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@@
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struct of_device_id arr[] = {
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...,
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{
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.var = E,
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- }
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+ },
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+ { }
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};
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@r depends on org || report@
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position p1;
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identifier var, arr;
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expression E;
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@@
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struct of_device_id arr[] = {
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...,
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{
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.var = E,
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}
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@p1
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};
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@script:python depends on org@
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p1 << r.p1;
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arr << r.arr;
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@@
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cocci.print_main(arr,p1)
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@script:python depends on report@
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p1 << r.p1;
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arr << r.arr;
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@@
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msg = "%s is not NULL terminated at line %s" % (arr, p1[0].line)
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coccilib.report.print_report(p1[0],msg)
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