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55c7549819
When running `make coccicheck` in report mode using the
add_namespace.cocci file, it will fail for files that contain
MODULE_LICENSE. Those match the replacement precondition, but spatch
errors out as virtual.ns is not set.
In order to fix that, add the virtual rule nsdeps and only do search and
replace if that rule has been explicitly requested.
In order to make spatch happy in report mode, we also need a dummy rule,
as otherwise it errors out with "No rules apply". Using a script:python
rule appears unrelated and odd, but this is the shortest I could come up
with.
Adjust scripts/nsdeps accordingly to set the nsdeps rule when run trough
`make nsdeps`.
Suggested-by: Julia Lawall <julia.lawall@inria.fr>
Fixes: c7c4e29fb5 ("scripts: add_namespace: Fix coccicheck failed")
Cc: YueHaibing <yuehaibing@huawei.com>
Cc: jeyu@kernel.org
Cc: cocci@systeme.lip6.fr
Cc: stable@vger.kernel.org
Signed-off-by: Matthias Maennich <maennich@google.com>
Reported-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: Julia Lawall <julia.lawall@inria.fr>
Link: https://lore.kernel.org/r/20200604164145.173925-1-maennich@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
32 lines
837 B
Plaintext
32 lines
837 B
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
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//
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/// Adds missing MODULE_IMPORT_NS statements to source files
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///
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/// This script is usually called from scripts/nsdeps with -D ns=<namespace> to
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/// add a missing namespace tag to a module source file.
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///
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virtual nsdeps
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virtual report
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@has_ns_import@
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declarer name MODULE_IMPORT_NS;
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identifier virtual.ns;
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@@
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MODULE_IMPORT_NS(ns);
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// Add missing imports, but only adjacent to a MODULE_LICENSE statement.
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// That ensures we are adding it only to the main module source file.
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@do_import depends on !has_ns_import && nsdeps@
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declarer name MODULE_LICENSE;
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expression license;
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identifier virtual.ns;
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@@
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MODULE_LICENSE(license);
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+ MODULE_IMPORT_NS(ns);
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// Dummy rule for report mode that would otherwise be empty and make spatch
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// fail ("No rules apply.")
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@script:python depends on report@
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@@
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