From: John Hodge Date: Sat, 10 May 2014 07:42:05 +0000 (+0800) Subject: Modules/UDI - Handle errors in udiprops more gracefully X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=51be71137cf66edc4a975ab251dfc4302fe32062;p=tpg%2Facess2.git Modules/UDI - Handle errors in udiprops more gracefully --- diff --git a/KernelLand/Modules/Interfaces/UDI/main.c b/KernelLand/Modules/Interfaces/UDI/main.c index 1c9fc29c..1c480083 100644 --- a/KernelLand/Modules/Interfaces/UDI/main.c +++ b/KernelLand/Modules/Interfaces/UDI/main.c @@ -121,10 +121,10 @@ static udi_boolean_t _get_token_bool(const char *str, const char **outstr) static udi_index_t _get_token_idx(const char *str, const char **outstr) { char *end; - int ret = strtol(str, &end, 10); - if( ret < 0 || ret > 255 ) { - Log_Notice("UDI", "Value '%.*s' out of range for udi_index_t", - end-str, str); + unsigned long ret = strtoul(str, &end, 10); + if( ret > 255 ) { + Log_Notice("UDI", "Value '%.*s' (0x%lx) out of range for udi_index_t", + end-str, str, ret); *outstr = NULL; return 0; } @@ -145,8 +145,8 @@ static udi_ubit16_t _get_token_uint16(const char *str, const char **outstr) char *end; unsigned long ret = strtoul(str, &end, 10); if( ret > 0xFFFF ) { - Log_Notice("UDI", "Value '%.*s' out of range for udi_ubit16_t", - end-str, str); + Log_Notice("UDI", "Value '%.*s' (0x%lx) out of range for udi_ubit16_t", + end-str, str, ret); *outstr = NULL; return 0; } @@ -419,12 +419,14 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co int child_bind_index = 0; int device_index = 0; int next_unpop_region = 1; + #define IF_ERROR(op) if(!str){error_hit=1;op;} for( int i = 0; i < nLines; i ++ ) { const char *str = udipropsptrs[i]; if( !*str ) continue ; int sym = _get_token_sym_v(str, &str, true, caUDI_UdipropsNames); + //LOG("Processing option '%s'", (sym >= 0 ? caUDI_UdipropsNames[sym] : "ERR")); switch(sym) { case UDIPROPS__properties_version: @@ -439,7 +441,7 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co case UDIPROPS__meta: { tUDI_MetaLangRef *ml = &driver_module->MetaLangs[ml_index++]; ml->meta_idx = _get_token_idx(str, &str); - if( !str ) continue; + IF_ERROR(continue); ml->interface_name = str; // TODO: May need to trim trailing spaces ml->metalang = UDI_int_GetMetaLangByName(ml->interface_name); @@ -455,7 +457,7 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co tUDI_PropMessage *msg = &driver_module->Messages[msg_index++]; msg->locale = cur_locale; msg->index = _get_token_uint16(str, &str); - if( !str ) continue ; + IF_ERROR(continue); msg->string = str; //Log_Debug("UDI", "Message %i/%i: '%s'", msg->locale, msg->index, msg->string); break; @@ -467,7 +469,7 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co case UDIPROPS__region: { udi_index_t rgn_idx = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); // Search for region index (just in case internal_bind_ops appears earlier) tUDI_PropRegion *rgn = &driver_module->RegionTypes[0]; if( rgn_idx > 0 ) @@ -516,7 +518,7 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co rgn->OverrunTime = _get_token_uint32(str, &str); break; } - if( !str ) break ; + IF_ERROR(break); } break; } @@ -524,12 +526,13 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co { tUDI_BindOps *bind = &driver_module->Parents[parent_index++]; bind->meta_idx = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); bind->region_idx = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); bind->ops_idx = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); bind->bind_cb_idx = _get_token_idx(str, &str); + IF_ERROR(continue); if( *str ) { // Expected EOL, didn't get it :( } @@ -541,9 +544,9 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co { // Get region using index udi_index_t meta = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); udi_index_t rgn_idx = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); // Search for region index (just in case the relevant 'region' comes after) tUDI_PropRegion *rgn = &driver_module->RegionTypes[0]; @@ -569,11 +572,11 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co rgn->BindMeta = meta; rgn->PriBindOps = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); rgn->SecBindOps = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); rgn->BindCb = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); if( *str ) { // TODO: Please sir, I want an EOL } @@ -583,10 +586,11 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co { tUDI_BindOps *bind = &driver_module->ChildBindOps[child_bind_index++]; bind->meta_idx = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); bind->region_idx = _get_token_idx(str, &str); - if( !str ) continue ; + IF_ERROR(continue); bind->ops_idx = _get_token_idx(str, &str); + IF_ERROR(continue); if( *str ) { // Expected EOL, didn't get it :( } @@ -607,26 +611,27 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co { int n_attr = 0; // Count properties (and validate) - _get_token_idx(str, &str); // message - if( !str ) continue; + _get_token_uint16(str, &str); // message + IF_ERROR(continue); _get_token_idx(str, &str); // meta - if( !str ) continue; + IF_ERROR(continue); while( *str ) { _get_token_str(str, &str, NULL); - if( !str ) break; + IF_ERROR(break); _get_token_sym(str, &str, true, "string", "ubit32", "boolean", "array", NULL); - if( !str ) break; + IF_ERROR(break); _get_token_str(str, &str, NULL); - if( !str ) break; + IF_ERROR(break); n_attr ++; } // Rewind and actually parse + // - Eat the 'device' token and hence reset 'str' _get_token_str(udipropsptrs[i], &str, NULL); tUDI_PropDevSpec *dev = NEW_wA(tUDI_PropDevSpec, Attribs, n_attr); driver_module->Devices[device_index++] = dev;; - dev->MessageNum = _get_token_idx(str, &str); + dev->MessageNum = _get_token_uint16(str, &str); dev->MetaIdx = _get_token_idx(str, &str); dev->nAttribs = n_attr; n_attr = 0; @@ -634,10 +639,10 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co { udi_instance_attr_list_t *at = &dev->Attribs[n_attr]; _get_token_str(str, &str, at->attr_name); - if( !str ) break; + IF_ERROR(break); at->attr_type = _get_token_sym(str, &str, true, " ", "string", "array", "ubit32", "boolean", NULL); - if( !str ) break; + IF_ERROR(break); udi_ubit32_t val; switch( dev->Attribs[n_attr].attr_type ) { @@ -662,7 +667,7 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co UDI_ATTR32_SET(at->attr_value, _get_token_bool(str, &str)); break; } - if( !str ) break; + IF_ERROR(break); n_attr ++; } @@ -675,7 +680,7 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co } free(udipropsptrs); if( error_hit ) { - Log_Error("UDI", "Error encountered while parsing udiprops for '%s' (%p), bailing", + Log_Error("UDI", "Error encountered while parsing udiprops for '%s' (LoadBase=%p), bailing", driver_module->ModuleName, LoadBase); for( int i = 0; i < device_index; i ++ ) free(driver_module->Devices[i]); @@ -688,10 +693,14 @@ tUDI_DriverModule *UDI_int_LoadDriver(void *LoadBase, const udi_init_t *info, co free(driver_module); return NULL; } + ASSERTC(device_index, ==, driver_module->nDevices); - for( int i = 0; i < driver_module->nDevices; i ++ ) + for( int i = 0; i < driver_module->nDevices; i ++ ) { + ASSERT(driver_module); + ASSERT(driver_module->Devices[i]); driver_module->Devices[i]->Metalang = UDI_int_GetMetaLang(driver_module, driver_module->Devices[i]->MetaIdx); + } // Sort message list // TODO: Sort message list