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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /scripts/coccinelle/free/put_device.cocci | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | scripts/coccinelle/free/put_device.cocci | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/scripts/coccinelle/free/put_device.cocci b/scripts/coccinelle/free/put_device.cocci new file mode 100644 index 000000000..f09f1e79b --- /dev/null +++ b/scripts/coccinelle/free/put_device.cocci @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0 +/// Find missing put_device for every of_find_device_by_node. +/// +// Confidence: Moderate +// Copyright: (C) 2018-2019 Wen Yang, ZTE. +// Comments: +// Options: --no-includes --include-headers + +virtual report +virtual org + +@search exists@ +local idexpression id; +expression x,e,e1; +position p1,p2; +type T,T1,T2,T3; +@@ + +id = of_find_device_by_node@p1(x) +... when != e = id +if (id == NULL || ...) { ... return ...; } +... when != put_device(&id->dev) + when != platform_device_put(id) + when != if (id) { ... put_device(&id->dev) ... } + when != e1 = (T)id + when != e1 = (T)(&id->dev) + when != e1 = get_device(&id->dev) + when != e1 = (T1)platform_get_drvdata(id) +( + return +( id +| (T2)dev_get_drvdata(&id->dev) +| (T3)platform_get_drvdata(id) +| &id->dev +); +| return@p2 ...; +) + +@script:python depends on report@ +p1 << search.p1; +p2 << search.p2; +@@ + +coccilib.report.print_report(p2[0], + "ERROR: missing put_device; call of_find_device_by_node on line " + + p1[0].line + + ", but without a corresponding object release within this function.") + +@script:python depends on org@ +p1 << search.p1; +p2 << search.p2; +@@ + +cocci.print_main("of_find_device_by_node", p1) +cocci.print_secs("needed put_device", p2) |