Rename 'atheros' target to 'ath25'

[openwrt/svn-archive/archive.git] / target / linux / ath25 / patches-3.18 / 141-redboot_partition_scan.patch

diff --git a/target/linux/ath25/patches-3.18/141-redboot_partition_scan.patch b/target/linux/ath25/patches-3.18/141-redboot_partition_scan.patch
new file mode 100644 (file)
index 0000000..d1d281e
--- /dev/null
+++ b/target/linux/ath25/patches-3.18/141-redboot_partition_scan.patch
@@ -0,0 +1,44 @@
+--- a/drivers/mtd/redboot.c
++++ b/drivers/mtd/redboot.c
+@@ -79,12 +79,18 @@ static int parse_redboot_partitions(stru
+       static char nullstring[] = "unallocated";
+ #endif
+ 
++      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;
+@@ -97,10 +103,6 @@ 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);
+@@ -173,6 +175,11 @@ 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;