openwrt/target/linux/ath79/patches-5.4/408-mtd-redboot_partition_scan.patch
Hauke Mehrtens a1d50e7b45 kernel: bump 5.4 to 5.4.132
Manually rebased
  layerscape/patches-5.4/805-display-0002-drm-rockchip-prepare-common-code-for-cdns-and-rk-dpi.patch

All others updated automatically.

Compile-tested on: ramips/mt7621
Runtime-tested on: ramips/mt7621

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2021-07-19 22:47:17 +02:00

45 lines
1.2 KiB
Diff

--- a/drivers/mtd/parsers/redboot.c
+++ b/drivers/mtd/parsers/redboot.c
@@ -90,12 +90,18 @@ static int parse_redboot_partitions(stru
parse_redboot_of(master);
+ buf = vmalloc(master->erasesize);
+ if (!buf)
+ return -ENOMEM;
+
+ restart:
if ( directory < 0 ) {
offset = master->size + directory * master->erasesize;
while (mtd_block_isbad(master, offset)) {
if (!offset) {
nogood:
printk(KERN_NOTICE "Failed to find a non-bad block to check for RedBoot partition table\n");
+ vfree(buf);
return -EIO;
}
offset -= master->erasesize;
@@ -108,10 +114,6 @@ static int parse_redboot_partitions(stru
goto nogood;
}
}
- buf = vmalloc(master->erasesize);
-
- if (!buf)
- return -ENOMEM;
printk(KERN_NOTICE "Searching for RedBoot partition table in %s at offset 0x%lx\n",
master->name, offset);
@@ -184,6 +186,11 @@ static int parse_redboot_partitions(stru
}
if (i == numslots) {
/* Didn't find it */
+ if (offset + master->erasesize < master->size) {
+ /* not at the end of the flash yet, maybe next block :) */
+ directory++;
+ goto restart;
+ }
printk(KERN_NOTICE "No RedBoot partition table detected in %s\n",
master->name);
ret = 0;