staging: goldfish: Use __func__ instead of function name

Replace hard-coded function names in strings with "%s", __func__
in the goldfish_nand.c file. Issue found by checkpatch.pl.
Signed-off-by: Chris Coffey <cmc@babblebit.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/goldfish/goldfish_nand.c

@@ -157,8 +157,8 @@ static int goldfish_nand_read_oob(struct mtd_info *mtd, loff_t ofs,
 	return 0;
 
 invalid_arg:
-	pr_err("goldfish_nand_read_oob: invalid read, start %llx, len %zx, ooblen %zx, dev_size %llx, write_size %x\n",
-	       ofs, ops->len, ops->ooblen, mtd->size, mtd->writesize);
+	pr_err("%s: invalid read, start %llx, len %zx, ooblen %zx, dev_size %llx, write_size %x\n",
+	       __func__, ofs, ops->len, ops->ooblen, mtd->size, mtd->writesize);
 	return -EINVAL;
 }
 
@@ -189,8 +189,8 @@ static int goldfish_nand_write_oob(struct mtd_info *mtd, loff_t ofs,
 	return 0;
 
 invalid_arg:
-	pr_err("goldfish_nand_write_oob: invalid write, start %llx, len %zx, ooblen %zx, dev_size %llx, write_size %x\n",
-	       ofs, ops->len, ops->ooblen, mtd->size, mtd->writesize);
+	pr_err("%s: invalid write, start %llx, len %zx, ooblen %zx, dev_size %llx, write_size %x\n",
+	       __func__, ofs, ops->len, ops->ooblen, mtd->size, mtd->writesize);
 	return -EINVAL;
 }
 
@@ -211,8 +211,8 @@ static int goldfish_nand_read(struct mtd_info *mtd, loff_t from, size_t len,
 	return 0;
 
 invalid_arg:
-	pr_err("goldfish_nand_read: invalid read, start %llx, len %zx, dev_size %llx, write_size %x\n",
-	       from, len, mtd->size, mtd->writesize);
+	pr_err("%s: invalid read, start %llx, len %zx, dev_size %llx, write_size %x\n",
+	       __func__, from, len, mtd->size, mtd->writesize);
 	return -EINVAL;
 }
 
@@ -233,8 +233,8 @@ static int goldfish_nand_write(struct mtd_info *mtd, loff_t to, size_t len,
 	return 0;
 
 invalid_arg:
-	pr_err("goldfish_nand_write: invalid write, start %llx, len %zx, dev_size %llx, write_size %x\n",
-	       to, len, mtd->size, mtd->writesize);
+	pr_err("%s: invalid write, start %llx, len %zx, dev_size %llx, write_size %x\n",
+	       __func__, to, len, mtd->size, mtd->writesize);
 	return -EINVAL;
 }
 
@@ -340,8 +340,8 @@ static int goldfish_nand_init_device(struct platform_device *pdev,
 				   name);
 	if (result != name_len) {
 		dev_err(&pdev->dev,
-			"goldfish_nand_init_device failed to get dev name %d != %d\n",
-			       result, name_len);
+			"%s: failed to get dev name %d != %d\n",
+			       __func__, result, name_len);
 		return -ENODEV;
 	}
 	((char *)mtd->name)[name_len] = '\0';