diff options
Diffstat (limited to 'target/linux/generic/backport-4.19/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch')
-rw-r--r-- | target/linux/generic/backport-4.19/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/target/linux/generic/backport-4.19/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch b/target/linux/generic/backport-4.19/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch deleted file mode 100644 index 02296276b0..0000000000 --- a/target/linux/generic/backport-4.19/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch +++ /dev/null @@ -1,55 +0,0 @@ -From 6750f61a13a0197c40e4a40739117493b15f19e8 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Tue, 20 Nov 2018 10:24:09 +0100 -Subject: [PATCH] mtd: improve calculating partition boundaries when checking - for alignment -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -When checking for alignment mtd should check absolute offsets. It's -important for subpartitions as it doesn't make sense to check their -relative addresses. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> ---- - drivers/mtd/mtdpart.c | 13 +++++++++++-- - 1 file changed, 11 insertions(+), 2 deletions(-) - ---- a/drivers/mtd/mtdpart.c -+++ b/drivers/mtd/mtdpart.c -@@ -61,6 +61,15 @@ static inline struct mtd_part *mtd_to_pa - return container_of(mtd, struct mtd_part, mtd); - } - -+static u64 part_absolute_offset(struct mtd_info *mtd) -+{ -+ struct mtd_part *part = mtd_to_part(mtd); -+ -+ if (!mtd_is_partition(mtd)) -+ return 0; -+ -+ return part_absolute_offset(part->parent) + part->offset; -+} - - /* - * MTD methods which simply translate the effective address and pass through -@@ -518,7 +527,7 @@ static struct mtd_part *allocate_partiti - if (!(slave->mtd.flags & MTD_NO_ERASE)) - wr_alignment = slave->mtd.erasesize; - -- tmp = slave->offset; -+ tmp = part_absolute_offset(parent) + slave->offset; - remainder = do_div(tmp, wr_alignment); - if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) { - /* Doesn't start on a boundary of major erase size */ -@@ -529,7 +538,7 @@ static struct mtd_part *allocate_partiti - part->name); - } - -- tmp = slave->mtd.size; -+ tmp = part_absolute_offset(parent) + slave->mtd.size; - remainder = do_div(tmp, wr_alignment); - if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) { - slave->mtd.flags &= ~MTD_WRITEABLE; |