Copy and refresh patches and config from 4.9, no more work is need. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
		
			
				
	
	
		
			45 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
--- a/drivers/mtd/redboot.c
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+++ b/drivers/mtd/redboot.c
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@@ -79,12 +79,18 @@ static int parse_redboot_partitions(stru
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 	static char nullstring[] = "unallocated";
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 #endif
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+	buf = vmalloc(master->erasesize);
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+	if (!buf)
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+		return -ENOMEM;
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+
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+ restart:
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 	if ( directory < 0 ) {
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 		offset = master->size + directory * master->erasesize;
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 		while (mtd_block_isbad(master, offset)) {
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 			if (!offset) {
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 			nogood:
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 				printk(KERN_NOTICE "Failed to find a non-bad block to check for RedBoot partition table\n");
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+				vfree(buf);
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 				return -EIO;
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 			}
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 			offset -= master->erasesize;
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@@ -97,10 +103,6 @@ static int parse_redboot_partitions(stru
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 				goto nogood;
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 		}
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 	}
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-	buf = vmalloc(master->erasesize);
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-
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-	if (!buf)
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-		return -ENOMEM;
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 	printk(KERN_NOTICE "Searching for RedBoot partition table in %s at offset 0x%lx\n",
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 	       master->name, offset);
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@@ -173,6 +175,11 @@ static int parse_redboot_partitions(stru
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 	}
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 	if (i == numslots) {
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 		/* Didn't find it */
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+		if (offset + master->erasesize < master->size) {
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+			/* not at the end of the flash yet, maybe next block */
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+			directory++;
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+			goto restart;
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+		}
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 		printk(KERN_NOTICE "No RedBoot partition table detected in %s\n",
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 		       master->name);
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 		ret = 0;
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