Messages in this thread |  | | Date | Tue, 13 Oct 2020 09:31:30 +0000 | From | Barnabás Pőcze <> | Subject | Re: [PATCH] fault-injection: handle EI_ETYPE_TRUE |
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Hi,
I had some difficulty finding who should receive this patch, and I am not sure I got it right. Could someone please confirm that any of you can take this patch, or should I resend it? (In that case, to whom?)
Thank you, Barnabás Pőcze
> Commit af3b854492f351d1ff3b4744a83bf5ff7eed4920 > ("mm/page_alloc.c: allow error injection") > introduced EI_ETYPE_TRUE, but did not extend > > - lib/error-inject.c:error_type_string(), and > - kernel/fail_function.c:adjust_error_retval() > to accommodate for this change. > > Handle EI_ETYPE_TRUE in both functions appropriately by > > - returning "TRUE" in error_type_string(), > - adjusting the return value to true (1) in adjust_error_retval(). > > Furthermore, simplify the logic of handling EI_ETYPE_NULL > in adjust_error_retval(). > > Signed-off-by: Barnabás Pőcze pobrn@protonmail.com > > > kernel/fail_function.c | 6 +++--- > lib/error-inject.c | 2 ++ > 2 files changed, 5 insertions(+), 3 deletions(-) > > diff --git a/kernel/fail_function.c b/kernel/fail_function.c > index 63b349168da7..4fdea01c0561 100644 > --- a/kernel/fail_function.c > +++ b/kernel/fail_function.c > @@ -37,9 +37,7 @@ static unsigned long adjust_error_retval(unsigned long addr, unsigned long retv) > { > switch (get_injectable_error_type(addr)) { > case EI_ETYPE_NULL: > > - if (retv != 0) > > > - return 0; > > > - break; > > > > - return 0; > > > case EI_ETYPE_ERRNO: > if (retv < (unsigned long)-MAX_ERRNO) > return (unsigned long)-EINVAL; > @@ -48,6 +46,8 @@ static unsigned long adjust_error_retval(unsigned long addr, unsigned long retv) > if (retv != 0 && retv < (unsigned long)-MAX_ERRNO) > return (unsigned long)-EINVAL; > break; > > - case EI_ETYPE_TRUE: > - return 1; > > > } > > return retv; > diff --git a/lib/error-inject.c b/lib/error-inject.c > index aa63751c916f..c73651b15b76 100644 > --- a/lib/error-inject.c > +++ b/lib/error-inject.c > @@ -180,6 +180,8 @@ static const char *error_type_string(int etype) > return "ERRNO"; > case EI_ETYPE_ERRNO_NULL: > return "ERRNO_NULL"; > > - case EI_ETYPE_TRUE: > - return "TRUE"; > > > default: > return "(unknown)"; > } > -- > 2.28.0 >
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