HID: Hoist assigns from ifs
Joe Perches [Fri, 10 Dec 2010 03:29:07 +0000 (19:29 -0800)]
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-core.c

index e6b9062..86b7155 100644 (file)
@@ -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++) {