Update Linux to v5.4.148

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz

Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/mtd/parsers/afs.c b/drivers/mtd/parsers/afs.c
index 752b6cf..8fd6176 100644
--- a/drivers/mtd/parsers/afs.c
+++ b/drivers/mtd/parsers/afs.c
@@ -370,10 +370,8 @@
 	return i;
 
 out_free_parts:
-	while (i >= 0) {
+	while (--i >= 0)
 		kfree(parts[i].name);
-		i--;
-	}
 	kfree(parts);
 	*pparts = NULL;
 	return ret;
diff --git a/drivers/mtd/parsers/cmdlinepart.c b/drivers/mtd/parsers/cmdlinepart.c
index c86f2db..0dca515 100644
--- a/drivers/mtd/parsers/cmdlinepart.c
+++ b/drivers/mtd/parsers/cmdlinepart.c
@@ -218,12 +218,41 @@
 		struct cmdline_mtd_partition *this_mtd;
 		struct mtd_partition *parts;
 		int mtd_id_len, num_parts;
-		char *p, *mtd_id;
+		char *p, *mtd_id, *semicol, *open_parenth;
+
+		/*
+		 * Replace the first ';' by a NULL char so strrchr can work
+		 * properly.
+		 */
+		semicol = strchr(s, ';');
+		if (semicol)
+			*semicol = '\0';
+
+		/*
+		 * make sure that part-names with ":" will not be handled as
+		 * part of the mtd-id with an ":"
+		 */
+		open_parenth = strchr(s, '(');
+		if (open_parenth)
+			*open_parenth = '\0';
 
 		mtd_id = s;
 
-		/* fetch <mtd-id> */
-		p = strchr(s, ':');
+		/*
+		 * fetch <mtd-id>. We use strrchr to ignore all ':' that could
+		 * be present in the MTD name, only the last one is interpreted
+		 * as an <mtd-id>/<part-definition> separator.
+		 */
+		p = strrchr(s, ':');
+
+		/* Restore the '(' now. */
+		if (open_parenth)
+			*open_parenth = '(';
+
+		/* Restore the ';' now. */
+		if (semicol)
+			*semicol = ';';
+
 		if (!p) {
 			pr_err("no mtd-id\n");
 			return -EINVAL;
diff --git a/drivers/mtd/parsers/parser_imagetag.c b/drivers/mtd/parsers/parser_imagetag.c
index d69607b..fab0949 100644
--- a/drivers/mtd/parsers/parser_imagetag.c
+++ b/drivers/mtd/parsers/parser_imagetag.c
@@ -83,6 +83,7 @@
 			pr_err("invalid rootfs address: %*ph\n",
 				(int)sizeof(buf->flash_image_start),
 				buf->flash_image_start);
+			ret = -EINVAL;
 			goto out;
 		}
 
@@ -92,6 +93,7 @@
 			pr_err("invalid kernel address: %*ph\n",
 				(int)sizeof(buf->kernel_address),
 				buf->kernel_address);
+			ret = -EINVAL;
 			goto out;
 		}
 
@@ -100,6 +102,7 @@
 			pr_err("invalid kernel length: %*ph\n",
 				(int)sizeof(buf->kernel_length),
 				buf->kernel_length);
+			ret = -EINVAL;
 			goto out;
 		}
 
@@ -108,6 +111,7 @@
 			pr_err("invalid total length: %*ph\n",
 				(int)sizeof(buf->total_length),
 				buf->total_length);
+			ret = -EINVAL;
 			goto out;
 		}
 
diff --git a/drivers/mtd/parsers/redboot.c b/drivers/mtd/parsers/redboot.c
index 91146bd..3ccd636 100644
--- a/drivers/mtd/parsers/redboot.c
+++ b/drivers/mtd/parsers/redboot.c
@@ -45,6 +45,7 @@
 static void parse_redboot_of(struct mtd_info *master)
 {
 	struct device_node *np;
+	struct device_node *npart;
 	u32 dirblock;
 	int ret;
 
@@ -52,7 +53,11 @@
 	if (!np)
 		return;
 
-	ret = of_property_read_u32(np, "fis-index-block", &dirblock);
+	npart = of_get_child_by_name(np, "partitions");
+	if (!npart)
+		return;
+
+	ret = of_property_read_u32(npart, "fis-index-block", &dirblock);
 	if (ret)
 		return;
 
diff --git a/drivers/mtd/parsers/sharpslpart.c b/drivers/mtd/parsers/sharpslpart.c
index e5ea612..671a618 100644
--- a/drivers/mtd/parsers/sharpslpart.c
+++ b/drivers/mtd/parsers/sharpslpart.c
@@ -165,10 +165,10 @@
 
 static int sharpsl_nand_init_ftl(struct mtd_info *mtd, struct sharpsl_ftl *ftl)
 {
-	unsigned int block_num, log_num, phymax;
+	unsigned int block_num, phymax;
+	int i, ret, log_num;
 	loff_t block_adr;
 	u8 *oob;
-	int i, ret;
 
 	oob = kzalloc(mtd->oobsize, GFP_KERNEL);
 	if (!oob)