--- zzzz-none-000/linux-3.10.107/drivers/mtd/cmdlinepart.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/mtd/cmdlinepart.c	2021-02-04 17:41:59.000000000 +0000
@@ -26,7 +26,7 @@
  * <mtd-id>  := unique name used in mapping driver/device (mtd->name)
  * <size>    := standard linux memsize OR "-" to denote all remaining space
  *              size is automatically truncated at end of device
- *              if specified or trucated size is 0 the part is skipped
+ *              if specified or truncated size is 0 the part is skipped
  * <offset>  := standard linux memsize
  *              if omitted the part will immediately follow the previous part
  *              or 0 if the first part
@@ -48,6 +48,8 @@
  * edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home)
  */
 
+#define pr_fmt(fmt)	"mtd: " fmt
+
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/mtd/mtd.h>
@@ -55,9 +57,6 @@
 #include <linux/module.h>
 #include <linux/err.h>
 
-/* error message prefix */
-#define ERRP "mtd: "
-
 /* debug macro */
 #if 0
 #define dbg(x) do { printk("DEBUG-CMDLINE-PART: "); printk x; } while(0)
@@ -115,9 +114,8 @@
 		s++;
 	} else {
 		size = memparse(s, &s);
-		if (size < PAGE_SIZE) {
-			printk(KERN_ERR ERRP "partition size too small (%llx)\n",
-			       size);
+		if (!size) {
+			pr_err("partition has size 0\n");
 			return ERR_PTR(-EINVAL);
 		}
 	}
@@ -142,7 +140,7 @@
 		name = ++s;
 		p = strchr(name, delim);
 		if (!p) {
-			printk(KERN_ERR ERRP "no closing %c found in partition name\n", delim);
+			pr_err("no closing %c found in partition name\n", delim);
 			return ERR_PTR(-EINVAL);
 		}
 		name_len = p - name;
@@ -170,7 +168,7 @@
 	/* test if more partitions are following */
 	if (*s == ',') {
 		if (size == SIZE_REMAINING) {
-			printk(KERN_ERR ERRP "no partitions allowed after a fill-up partition\n");
+			pr_err("no partitions allowed after a fill-up partition\n");
 			return ERR_PTR(-EINVAL);
 		}
 		/* more partitions follow, parse them */
@@ -237,7 +235,7 @@
 		/* fetch <mtd-id> */
 		p = strchr(s, ':');
 		if (!p) {
-			printk(KERN_ERR ERRP "no mtd-id\n");
+			pr_err("no mtd-id\n");
 			return -EINVAL;
 		}
 		mtd_id_len = p - mtd_id;
@@ -289,7 +287,7 @@
 
 		/* does another spec follow? */
 		if (*s != ';') {
-			printk(KERN_ERR ERRP "bad character after partition (%c)\n", *s);
+			pr_err("bad character after partition (%c)\n", *s);
 			return -EINVAL;
 		}
 		s++;
@@ -343,17 +341,15 @@
 			part->parts[i].size = master->size - offset;
 
 		if (offset + part->parts[i].size > master->size) {
-			printk(KERN_WARNING ERRP
-			       "%s: partitioning exceeds flash size, truncating\n",
-			       part->mtd_id);
+			pr_warn("%s: partitioning exceeds flash size, truncating\n",
+				part->mtd_id);
 			part->parts[i].size = master->size - offset;
 		}
 		offset += part->parts[i].size;
 
 		if (part->parts[i].size == 0) {
-			printk(KERN_WARNING ERRP
-			       "%s: skipping zero sized partition\n",
-			       part->mtd_id);
+			pr_warn("%s: skipping zero sized partition\n",
+				part->mtd_id);
 			part->num_parts--;
 			memmove(&part->parts[i], &part->parts[i + 1],
 				sizeof(*part->parts) * (part->num_parts - i));
@@ -395,7 +391,8 @@
 {
 	if (mtdparts)
 		mtdpart_setup(mtdparts);
-	return register_mtd_parser(&cmdline_parser);
+	register_mtd_parser(&cmdline_parser);
+	return 0;
 }
 
 static void __exit cmdline_parser_exit(void)