Define a dummy function of time_to_inject(), so that we don't have to check macro CONFIG_EROFS_FAULT_INJECTION in calling place. Base on above adjustment, do proper code cleanup for erofs_kmalloc(). Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx> --- drivers/staging/erofs/internal.h | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h index 367b39fe46e5..1bb2e9e96143 100644 --- a/drivers/staging/erofs/internal.h +++ b/drivers/staging/erofs/internal.h @@ -42,12 +42,12 @@ #define DBG_BUGON(...) ((void)0) #endif -#ifdef CONFIG_EROFS_FAULT_INJECTION enum { FAULT_KMALLOC, FAULT_MAX, }; +#ifdef CONFIG_EROFS_FAULT_INJECTION extern char *erofs_fault_name[FAULT_MAX]; #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) @@ -139,21 +139,25 @@ static inline bool time_to_inject(struct erofs_sb_info *sbi, int type) atomic_inc(&ffi->inject_ops); if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { atomic_set(&ffi->inject_ops, 0); + erofs_show_injection_info(type); return true; } return false; } + +#else +static inline bool time_to_inject(struct erofs_sb_info *sbi, int type) +{ + return false; +} #endif static inline void *erofs_kmalloc(struct erofs_sb_info *sbi, size_t size, gfp_t flags) { -#ifdef CONFIG_EROFS_FAULT_INJECTION - if (time_to_inject(sbi, FAULT_KMALLOC)) { - erofs_show_injection_info(FAULT_KMALLOC); + if (time_to_inject(sbi, FAULT_KMALLOC)) return NULL; - } -#endif + return kmalloc(size, flags); } -- 2.17.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel