diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 17fd01d46e60260c60c3dcc53ff9f03c9c42a9f7..4595aeb3c4321504a09324d81c97e3418468061f 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -5080,6 +5080,7 @@ int pevent_register_print_function(struct pevent *pevent, struct pevent_func_params *param; enum pevent_func_arg_type type; va_list ap; + int ret; func_handle = find_func_handler(pevent, name); if (func_handle) { @@ -5092,14 +5093,21 @@ int pevent_register_print_function(struct pevent *pevent, remove_func_handler(pevent, name); } - func_handle = malloc_or_die(sizeof(*func_handle)); + func_handle = malloc(sizeof(*func_handle)); + if (!func_handle) { + do_warning("Failed to allocate function handler"); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } memset(func_handle, 0, sizeof(*func_handle)); func_handle->ret_type = ret_type; func_handle->name = strdup(name); func_handle->func = func; - if (!func_handle->name) - die("Failed to allocate function name"); + if (!func_handle->name) { + do_warning("Failed to allocate function name"); + free(func_handle); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } next_param = &(func_handle->params); va_start(ap, name); @@ -5109,11 +5117,17 @@ int pevent_register_print_function(struct pevent *pevent, break; if (type < 0 || type >= PEVENT_FUNC_ARG_MAX_TYPES) { - warning("Invalid argument type %d", type); + do_warning("Invalid argument type %d", type); + ret = PEVENT_ERRNO__INVALID_ARG_TYPE; goto out_free; } - param = malloc_or_die(sizeof(*param)); + param = malloc(sizeof(*param)); + if (!param) { + do_warning("Failed to allocate function param"); + ret = PEVENT_ERRNO__MEM_ALLOC_FAILED; + goto out_free; + } param->type = type; param->next = NULL; @@ -5131,7 +5145,7 @@ int pevent_register_print_function(struct pevent *pevent, out_free: va_end(ap); free_func_handle(func_handle); - return -1; + return ret; } /** diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index 863a0bbda7f1ba3add137fdac1a17f5a469a90a0..3318963f1c9873acccdd471553f9a133d24ec172 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -351,7 +351,8 @@ enum pevent_flag { _PE(READ_ID_FAILED, "failed to read event id"), \ _PE(READ_FORMAT_FAILED, "failed to read event format"), \ _PE(READ_PRINT_FAILED, "failed to read event print fmt"), \ - _PE(OLD_FTRACE_ARG_FAILED,"failed to allocate field name for ftrace") + _PE(OLD_FTRACE_ARG_FAILED,"failed to allocate field name for ftrace"),\ + _PE(INVALID_ARG_TYPE, "invalid argument type") #undef _PE #define _PE(__code, __str) PEVENT_ERRNO__ ## __code