Introduce EI_ETYPE_FALSE for functions which need false as return value in their error-injections, like btrfs_data_csum_ok.
EI_ETYPE_NULL can return 0 too but its readability is not good enough. Signed-off-by: Song Chen <[email protected]> --- include/asm-generic/error-injection.h | 1 + kernel/fail_function.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/include/asm-generic/error-injection.h b/include/asm-generic/error-injection.h index b05253f68eaa..6c399121ab7a 100644 --- a/include/asm-generic/error-injection.h +++ b/include/asm-generic/error-injection.h @@ -8,6 +8,7 @@ enum { EI_ETYPE_ERRNO, /* Return -ERRNO if failure */ EI_ETYPE_ERRNO_NULL, /* Return -ERRNO or NULL if failure */ EI_ETYPE_TRUE, /* Return true if failure */ + EI_ETYPE_FALSE, /* Return false if failure */ }; struct error_injection_entry { diff --git a/kernel/fail_function.c b/kernel/fail_function.c index 2eaf55005f49..90cdad0412cd 100644 --- a/kernel/fail_function.c +++ b/kernel/fail_function.c @@ -48,6 +48,8 @@ static unsigned long adjust_error_retval(unsigned long addr, unsigned long retv) break; case EI_ETYPE_TRUE: return 1; + case EI_ETYPE_FALSE: + return 0; } return retv; -- 2.43.0
