diff options
Diffstat (limited to 'target/linux/generic/pending-4.4/494-mtd-ubi-add-EOF-marker-support.patch')
-rw-r--r-- | target/linux/generic/pending-4.4/494-mtd-ubi-add-EOF-marker-support.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/target/linux/generic/pending-4.4/494-mtd-ubi-add-EOF-marker-support.patch b/target/linux/generic/pending-4.4/494-mtd-ubi-add-EOF-marker-support.patch deleted file mode 100644 index 749232a396..0000000000 --- a/target/linux/generic/pending-4.4/494-mtd-ubi-add-EOF-marker-support.patch +++ /dev/null @@ -1,51 +0,0 @@ ---- a/drivers/mtd/ubi/attach.c -+++ b/drivers/mtd/ubi/attach.c -@@ -803,6 +803,13 @@ out_unlock: - return err; - } - -+static bool ec_hdr_has_eof(struct ubi_ec_hdr *ech) -+{ -+ return ech->padding1[0] == 'E' && -+ ech->padding1[1] == 'O' && -+ ech->padding1[2] == 'F'; -+} -+ - /** - * scan_peb - scan and process UBI headers of a PEB. - * @ubi: UBI device description object -@@ -833,9 +840,21 @@ static int scan_peb(struct ubi_device *u - return 0; - } - -- err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); -- if (err < 0) -- return err; -+ if (!ai->eof_found) { -+ err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); -+ if (err < 0) -+ return err; -+ -+ if (ec_hdr_has_eof(ech)) { -+ pr_notice("UBI: EOF marker found, PEBs from %d will be erased\n", -+ pnum); -+ ai->eof_found = true; -+ } -+ } -+ -+ if (ai->eof_found) -+ err = UBI_IO_FF_BITFLIPS; -+ - switch (err) { - case 0: - break; ---- a/drivers/mtd/ubi/ubi.h -+++ b/drivers/mtd/ubi/ubi.h -@@ -741,6 +741,7 @@ struct ubi_attach_info { - int mean_ec; - uint64_t ec_sum; - int ec_count; -+ bool eof_found; - struct kmem_cache *aeb_slab_cache; - }; - |