55 lines
1.1 KiB
Plaintext
55 lines
1.1 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0-only
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///
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/// From Documentation/filesystems/sysfs.rst:
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/// show() should only use sysfs_emit() or sysfs_emit_at() when formatting
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/// the value to be returned to user space.
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///
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// Confidence: High
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// Copyright: (C) 2020 Denis Efremov ISPRAS
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// Options: --no-includes --include-headers
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//
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virtual report
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virtual org
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virtual context
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virtual patch
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@r depends on !patch@
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identifier show, dev, attr, buf;
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position p;
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@@
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ssize_t show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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<...
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* return snprintf@p(...);
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...>
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}
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@rp depends on patch@
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identifier show, dev, attr, buf;
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expression BUF, SZ, FORMAT;
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@@
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ssize_t show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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<...
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return
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- snprintf(BUF, SZ, FORMAT
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+ sysfs_emit(BUF, FORMAT
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,...);
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...>
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}
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@script: python depends on report@
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p << r.p;
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@@
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coccilib.report.print_report(p[0], "WARNING: please use sysfs_emit or sysfs_emit_at")
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@script: python depends on org@
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p << r.p;
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@@
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coccilib.org.print_todo(p[0], "WARNING: please use sysfs_emit or sysfs_emit_at")
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