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-rw-r--r--target/linux/generic/backport-4.14/410-mtd-fix-calculating-partition-end-address.patch28
-rw-r--r--target/linux/generic/backport-4.19/410-mtd-fix-calculating-partition-end-address.patch28
-rw-r--r--target/linux/generic/backport-5.4/410-mtd-fix-calculating-partition-end-address.patch28
-rw-r--r--target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch3
-rw-r--r--target/linux/generic/pending-4.19/411-mtd-partial_eraseblock_write.patch3
-rw-r--r--target/linux/generic/pending-5.4/411-mtd-partial_eraseblock_write.patch3
6 files changed, 87 insertions, 6 deletions
diff --git a/target/linux/generic/backport-4.14/410-mtd-fix-calculating-partition-end-address.patch b/target/linux/generic/backport-4.14/410-mtd-fix-calculating-partition-end-address.patch
new file mode 100644
index 0000000000..ec25eef7a9
--- /dev/null
+++ b/target/linux/generic/backport-4.14/410-mtd-fix-calculating-partition-end-address.patch
@@ -0,0 +1,28 @@
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Mon, 9 Mar 2020 08:30:19 +0100
+Subject: [PATCH] mtd: fix calculating partition end address
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This fixes check for partitions that don't start at beginning of their
+parents. Missing partition's offset in formula could result in forcing
+read-only incorrectly.
+
+Fixes: 6750f61a13a0 ("mtd: improve calculating partition boundaries when checking for alignment")
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+ drivers/mtd/mtdpart.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/mtd/mtdpart.c
++++ b/drivers/mtd/mtdpart.c
+@@ -582,7 +582,7 @@ static struct mtd_part *allocate_partiti
+ part->name);
+ }
+
+- tmp = part_absolute_offset(parent) + slave->mtd.size;
++ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
+ remainder = do_div(tmp, wr_alignment);
+ if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
+ slave->mtd.flags &= ~MTD_WRITEABLE;
diff --git a/target/linux/generic/backport-4.19/410-mtd-fix-calculating-partition-end-address.patch b/target/linux/generic/backport-4.19/410-mtd-fix-calculating-partition-end-address.patch
new file mode 100644
index 0000000000..4027bfd714
--- /dev/null
+++ b/target/linux/generic/backport-4.19/410-mtd-fix-calculating-partition-end-address.patch
@@ -0,0 +1,28 @@
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Mon, 9 Mar 2020 08:30:19 +0100
+Subject: [PATCH] mtd: fix calculating partition end address
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This fixes check for partitions that don't start at beginning of their
+parents. Missing partition's offset in formula could result in forcing
+read-only incorrectly.
+
+Fixes: 6750f61a13a0 ("mtd: improve calculating partition boundaries when checking for alignment")
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+ drivers/mtd/mtdpart.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/mtd/mtdpart.c
++++ b/drivers/mtd/mtdpart.c
+@@ -538,7 +538,7 @@ static struct mtd_part *allocate_partiti
+ part->name);
+ }
+
+- tmp = part_absolute_offset(parent) + slave->mtd.size;
++ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
+ remainder = do_div(tmp, wr_alignment);
+ if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
+ slave->mtd.flags &= ~MTD_WRITEABLE;
diff --git a/target/linux/generic/backport-5.4/410-mtd-fix-calculating-partition-end-address.patch b/target/linux/generic/backport-5.4/410-mtd-fix-calculating-partition-end-address.patch
new file mode 100644
index 0000000000..1eae015b28
--- /dev/null
+++ b/target/linux/generic/backport-5.4/410-mtd-fix-calculating-partition-end-address.patch
@@ -0,0 +1,28 @@
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Mon, 9 Mar 2020 08:30:19 +0100
+Subject: [PATCH] mtd: fix calculating partition end address
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This fixes check for partitions that don't start at beginning of their
+parents. Missing partition's offset in formula could result in forcing
+read-only incorrectly.
+
+Fixes: 6750f61a13a0 ("mtd: improve calculating partition boundaries when checking for alignment")
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+ drivers/mtd/mtdpart.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/mtd/mtdpart.c
++++ b/drivers/mtd/mtdpart.c
+@@ -524,7 +524,7 @@ static struct mtd_part *allocate_partiti
+ part->name);
+ }
+
+- tmp = part_absolute_offset(parent) + slave->mtd.size;
++ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
+ remainder = do_div(tmp, wr_alignment);
+ if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
+ slave->mtd.flags &= ~MTD_WRITEABLE;
diff --git a/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch b/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch
index 3b862dae61..52f1cb5abf 100644
--- a/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch
+++ b/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch
@@ -123,8 +123,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ slave->mtd.erasesize = slave->mtd.size;
}
-- tmp = part_absolute_offset(parent) + slave->mtd.size;
-+ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
+ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
remainder = do_div(tmp, wr_alignment);
if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
- slave->mtd.flags &= ~MTD_WRITEABLE;
diff --git a/target/linux/generic/pending-4.19/411-mtd-partial_eraseblock_write.patch b/target/linux/generic/pending-4.19/411-mtd-partial_eraseblock_write.patch
index bf9822fda8..f3a314ae02 100644
--- a/target/linux/generic/pending-4.19/411-mtd-partial_eraseblock_write.patch
+++ b/target/linux/generic/pending-4.19/411-mtd-partial_eraseblock_write.patch
@@ -114,8 +114,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ slave->mtd.erasesize = slave->mtd.size;
}
-- tmp = part_absolute_offset(parent) + slave->mtd.size;
-+ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
+ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
remainder = do_div(tmp, wr_alignment);
if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
- slave->mtd.flags &= ~MTD_WRITEABLE;
diff --git a/target/linux/generic/pending-5.4/411-mtd-partial_eraseblock_write.patch b/target/linux/generic/pending-5.4/411-mtd-partial_eraseblock_write.patch
index f2a187df30..b46c3f5ed4 100644
--- a/target/linux/generic/pending-5.4/411-mtd-partial_eraseblock_write.patch
+++ b/target/linux/generic/pending-5.4/411-mtd-partial_eraseblock_write.patch
@@ -114,8 +114,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ slave->mtd.erasesize = slave->mtd.size;
}
-- tmp = part_absolute_offset(parent) + slave->mtd.size;
-+ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
+ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size;
remainder = do_div(tmp, wr_alignment);
if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
- slave->mtd.flags &= ~MTD_WRITEABLE;