diff options
Diffstat (limited to 'scripts/coccinelle/misc/secs_to_jiffies.cocci')
| -rw-r--r-- | scripts/coccinelle/misc/secs_to_jiffies.cocci | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/scripts/coccinelle/misc/secs_to_jiffies.cocci b/scripts/coccinelle/misc/secs_to_jiffies.cocci new file mode 100644 index 000000000000..f3241ce75a7b --- /dev/null +++ b/scripts/coccinelle/misc/secs_to_jiffies.cocci @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0-only +/// +/// Find usages of: +/// - msecs_to_jiffies(value*1000) +/// - msecs_to_jiffies(value*MSEC_PER_SEC) +/// +// Confidence: High +// Copyright: (C) 2024 Easwar Hariharan, Microsoft +// Keywords: secs, seconds, jiffies +// Options: --include-headers + +virtual patch +virtual report +virtual context + +@pconst depends on patch@ constant C; @@ + +- msecs_to_jiffies(C * 1000) ++ secs_to_jiffies(C) + +@pconstms depends on patch@ constant C; @@ + +- msecs_to_jiffies(C * MSEC_PER_SEC) ++ secs_to_jiffies(C) + +@pexpr depends on patch@ expression E; @@ + +- msecs_to_jiffies(E * 1000) ++ secs_to_jiffies(E) + +@pexprms depends on patch@ expression E; @@ + +- msecs_to_jiffies(E * MSEC_PER_SEC) ++ secs_to_jiffies(E) + +@r depends on report && !patch@ +constant C; +expression E; +position p; +@@ + +( + msecs_to_jiffies(C@p * 1000) +| + msecs_to_jiffies(C@p * MSEC_PER_SEC) +| + msecs_to_jiffies(E@p * 1000) +| + msecs_to_jiffies(E@p * MSEC_PER_SEC) +) + +@c depends on context && !patch@ +constant C; +expression E; +@@ + +( +* msecs_to_jiffies(C * 1000) +| +* msecs_to_jiffies(C * MSEC_PER_SEC) +| +* msecs_to_jiffies(E * 1000) +| +* msecs_to_jiffies(E * MSEC_PER_SEC) +) + +@script:python depends on report@ +p << r.p; +@@ + +coccilib.report.print_report(p[0], "WARNING opportunity for secs_to_jiffies()") |