[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen staging] automation/eclair: add deviation for MISRA C Rule 17.7
commit 912412f97a293f5e1deece134d78c52b1b0b8856 Author: Federico Serafini <federico.serafini@xxxxxxxxxxx> AuthorDate: Fri Jun 14 11:15:38 2024 +0200 Commit: Stefano Stabellini <stefano.stabellini@xxxxxxx> CommitDate: Mon Jun 24 16:39:09 2024 -0700 automation/eclair: add deviation for MISRA C Rule 17.7 Update ECLAIR configuration to deviate some cases where not using the return value of a function is not dangerous. Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx> Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx> Release-Acked-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx> --- automation/eclair_analysis/ECLAIR/deviations.ecl | 4 ++++ docs/misra/deviations.rst | 9 +++++++++ 2 files changed, 13 insertions(+) diff --git a/automation/eclair_analysis/ECLAIR/deviations.ecl b/automation/eclair_analysis/ECLAIR/deviations.ecl index e2653f77eb..89345a9d08 100644 --- a/automation/eclair_analysis/ECLAIR/deviations.ecl +++ b/automation/eclair_analysis/ECLAIR/deviations.ecl @@ -413,6 +413,10 @@ explicit comment indicating the fallthrough intention is present." -config=MC3R1.R17.1,macros+={hide , "^va_(arg|start|copy|end)$"} -doc_end +-doc_begin="Not using the return value of a function does not endanger safety if it coincides with an actual argument." +-config=MC3R1.R17.7,calls+={safe, "any()", "decl(name(__builtin_memcpy||__builtin_memmove||__builtin_memset||cpumask_check))"} +-doc_end + # # Series 18. # diff --git a/docs/misra/deviations.rst b/docs/misra/deviations.rst index 36959aa44a..679d8c885f 100644 --- a/docs/misra/deviations.rst +++ b/docs/misra/deviations.rst @@ -364,6 +364,15 @@ Deviations related to MISRA C:2012 Rules: by `stdarg.h`. - Tagged as `deliberate` for ECLAIR. + * - R17.7 + - Not using the return value of a function does not endanger safety if it + coincides with an actual argument. + - Tagged as `safe` for ECLAIR. Such functions are: + - __builtin_memcpy() + - __builtin_memmove() + - __builtin_memset() + - cpumask_check() + * - R20.4 - The override of the keyword \"inline\" in xen/compiler.h is present so that section contents checks pass when the compiler chooses not to -- generated by git-patchbot for /home/xen/git/xen.git#staging
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