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| author | Wolfram Sang <wsa@the-dreams.de> | 2014-10-28 17:40:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-06 15:16:02 -0800 |
| commit | 1f648f88cea7f9b16ea8964cd81b92fb08df75a5 (patch) | |
| tree | eb745115f3216e1297aa258d0fdffd83fa6735e2 /scripts/coccinelle | |
| parent | 291f653a140ad880426125e5e9dbb70f4c184683 (diff) | |
| download | linux-1f648f88cea7f9b16ea8964cd81b92fb08df75a5.tar.gz linux-1f648f88cea7f9b16ea8964cd81b92fb08df75a5.tar.bz2 linux-1f648f88cea7f9b16ea8964cd81b92fb08df75a5.zip | |
coccinelle: api: add spatch to prevent unnecessary .owner
There are calls which silently set the owner of a module. This is the
preferred way [1], so avoid setting it manually. Currently, we only care
about platform drivers, but there might be more calls to be added later.
[1] https://lkml.org/lkml/2014/10/12/87
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/coccinelle')
| -rw-r--r-- | scripts/coccinelle/api/platform_no_drv_owner.cocci | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/platform_no_drv_owner.cocci b/scripts/coccinelle/api/platform_no_drv_owner.cocci new file mode 100644 index 000000000000..e065b9e714fc --- /dev/null +++ b/scripts/coccinelle/api/platform_no_drv_owner.cocci @@ -0,0 +1,106 @@ +/// Remove .owner field if calls are used which set it automatically +/// +// Confidence: High +// Copyright: (C) 2014 Wolfram Sang. GPL v2. + +virtual patch +virtual context +virtual org +virtual report + +@match1@ +declarer name module_platform_driver; +declarer name module_platform_driver_probe; +identifier __driver; +@@ +( + module_platform_driver(__driver); +| + module_platform_driver_probe(__driver, ...); +) + +@fix1 depends on match1 && patch && !context && !org && !report@ +identifier match1.__driver; +@@ + static struct platform_driver __driver = { + .driver = { +- .owner = THIS_MODULE, + } + }; + +@match2@ +identifier __driver; +@@ +( + platform_driver_register(&__driver) +| + platform_driver_probe(&__driver, ...) +| + platform_create_bundle(&__driver, ...) +) + +@fix2 depends on match2 && patch && !context && !org && !report@ +identifier match2.__driver; +@@ + static struct platform_driver __driver = { + .driver = { +- .owner = THIS_MODULE, + } + }; + +// ---------------------------------------------------------------------------- + +@fix1_context depends on match1 && !patch && (context || org || report)@ +identifier match1.__driver; +position j0; +@@ + + static struct platform_driver __driver = { + .driver = { +* .owner@j0 = THIS_MODULE, + } + }; + +@fix2_context depends on match2 && !patch && (context || org || report)@ +identifier match2.__driver; +position j0; +@@ + + static struct platform_driver __driver = { + .driver = { +* .owner@j0 = THIS_MODULE, + } + }; + +// ---------------------------------------------------------------------------- + +@script:python fix1_org depends on org@ +j0 << fix1_context.j0; +@@ + +msg = "No need to set .owner here. The core will do it." +coccilib.org.print_todo(j0[0], msg) + +@script:python fix2_org depends on org@ +j0 << fix2_context.j0; +@@ + +msg = "No need to set .owner here. The core will do it." +coccilib.org.print_todo(j0[0], msg) + +// ---------------------------------------------------------------------------- + +@script:python fix1_report depends on report@ +j0 << fix1_context.j0; +@@ + +msg = "No need to set .owner here. The core will do it." +coccilib.report.print_report(j0[0], msg) + +@script:python fix2_report depends on report@ +j0 << fix2_context.j0; +@@ + +msg = "No need to set .owner here. The core will do it." +coccilib.report.print_report(j0[0], msg) + |