diff options
Diffstat (limited to 'drivers/hid/hid-core.c')
| -rw-r--r-- | drivers/hid/hid-core.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index e6b90622e4eb..86b7155632fb 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -61,7 +61,8 @@ struct hid_report *hid_register_report(struct hid_device *device, unsigned type, if (report_enum->report_id_hash[id]) return report_enum->report_id_hash[id]; - if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL))) + report = kzalloc(sizeof(struct hid_report), GFP_KERNEL); + if (!report) return NULL; if (id != 0) @@ -92,8 +93,11 @@ static struct hid_field *hid_register_field(struct hid_report *report, unsigned return NULL; } - if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage) - + values * sizeof(unsigned), GFP_KERNEL))) return NULL; + field = kzalloc((sizeof(struct hid_field) + + usages * sizeof(struct hid_usage) + + values * sizeof(unsigned)), GFP_KERNEL); + if (!field) + return NULL; field->index = report->maxfield++; report->field[field->index] = field; @@ -211,7 +215,8 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign unsigned offset; int i; - if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) { + report = hid_register_report(parser->device, report_type, parser->global.report_id); + if (!report) { dbg_hid("hid_register_report failed\n"); return -1; } @@ -229,7 +234,8 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign usages = max_t(int, parser->local.usage_index, parser->global.report_count); - if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL) + field = hid_register_field(report, usages, parser->global.report_count); + if (!field) return 0; field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); @@ -891,7 +897,8 @@ static void hid_input_field(struct hid_device *hid, struct hid_field *field, __s32 max = field->logical_maximum; __s32 *value; - if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC))) + value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); + if (!value) return; for (n = 0; n < count; n++) { |