mfd: ab3100-core.c: Fix multiple warnings reported by Checkpatch

WARNING: Missing a blank line after declarations
+       struct ab3100 *ab3100 = dev_get_drvdata(dev->parent);
+       if (!ab3100->startup_events_read)

WARNING: Possible unnecessary 'out of memory' message
+       if (!ab3100) {
+               dev_err(&client->dev, "could not allocate AB3100 device\n");

WARNING: else is not generally useful after a break or return
+                               break;
+                       } else {

total: 0 errors, 3 warnings, 996 lines checked

Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 10 insertions, 13 deletions

diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index f0afb44271f8..6a5a98806cb8 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -381,9 +381,11 @@ static int ab3100_event_registers_startup_state_get(struct device *dev,
                                              u8 *event)
 {
         struct ab3100 *ab3100 = dev_get_drvdata(dev->parent);
+
         if (!ab3100->startup_events_read)
                 return -EAGAIN; /* Try again later */
         memcpy(event, ab3100->startup_events, 3);
+
         return 0;
 }
 
@@ -858,10 +860,8 @@ static int ab3100_probe(struct i2c_client *client,
         int i;
 
         ab3100 = devm_kzalloc(&client->dev, sizeof(struct ab3100), GFP_KERNEL);
-        if (!ab3100) {
-                dev_err(&client->dev, "could not allocate AB3100 device\n");
+        if (!ab3100)
                 return -ENOMEM;
-        }
 
         /* Initialize data structure */
         mutex_init(&ab3100->access_mutex);
@@ -883,20 +883,17 @@ static int ab3100_probe(struct i2c_client *client,
 
         for (i = 0; ids[i].id != 0x0; i++) {
                 if (ids[i].id == ab3100->chip_id) {
-                        if (ids[i].name != NULL) {
-                                snprintf(&ab3100->chip_name[0],
-                                         sizeof(ab3100->chip_name) - 1,
-                                         "AB3100 %s",
-                                         ids[i].name);
+                        if (ids[i].name)
                                 break;
-                        } else {
-                                dev_err(&client->dev,
-                                        "AB3000 is not supported\n");
-                                goto exit_no_detect;
-                        }
+
+                        dev_err(&client->dev, "AB3000 is not supported\n");
+                        goto exit_no_detect;
                 }
         }
 
+        snprintf(&ab3100->chip_name[0],
+                 sizeof(ab3100->chip_name) - 1, "AB3100 %s", ids[i].name);
+
         if (ids[i].id == 0x0) {
                 dev_err(&client->dev, "unknown analog baseband chip id: 0x%x\n",
                         ab3100->chip_id);