OpenWrt – Rev 1

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From: Felix Fietkau <nbd@nbd.name>
Subject: add patch for including unpartitioned space in the rootfs partition for redboot devices (if applicable)

[john@phrozen.org: used by ixp and others]

lede-commit: 394918851f84e4d00fa16eb900e7700e95091f00
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 drivers/mtd/redboot.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

--- a/drivers/mtd/redboot.c
+++ b/drivers/mtd/redboot.c
@@ -265,14 +265,21 @@ static int parse_redboot_partitions(stru
 #endif
                names += strlen(names)+1;
 
-#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
                if(fl->next && fl->img->flash_base + fl->img->size + master->erasesize <= fl->next->img->flash_base) {
-                       i++;
-                       parts[i].offset = parts[i-1].size + parts[i-1].offset;
-                       parts[i].size = fl->next->img->flash_base - parts[i].offset;
-                       parts[i].name = nullname;
-               }
+                       if (!strcmp(parts[i].name, "rootfs")) {
+                               parts[i].size = fl->next->img->flash_base;
+                               parts[i].size &= ~(master->erasesize - 1);
+                               parts[i].size -= parts[i].offset;
+#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
+                               nrparts--;
+                       } else {
+                               i++;
+                               parts[i].offset = parts[i-1].size + parts[i-1].offset;
+                               parts[i].size = fl->next->img->flash_base - parts[i].offset;
+                               parts[i].name = nullname;
 #endif
+                       }
+               }
                tmp_fl = fl;
                fl = fl->next;
                kfree(tmp_fl);