openwrt/target/linux/ramips/patches-4.14/0040-nand-hack.patch
Hauke Mehrtens ce958dd88a kernel: Update kernel 4.14 to version 4.14.187
Fixes:
- CVE-2020-10757

The "mtd: rawnand: Pass a nand_chip object to nand_release()" commit was
backported which needed some adaptations to other code.

Build tested: ramips

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2020-07-04 21:12:42 +02:00

33 lines
984 B
Diff

--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1908,6 +1908,9 @@ static int nand_do_read_ops(struct mtd_i
__func__, buf);
read_retry:
+#ifdef CONFIG_MTK_MTD_NAND
+ ret = chip->read_page(mtd, chip, bufpoi, page);
+#else
if (nand_standard_page_accessors(&chip->ecc))
chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
@@ -1927,6 +1930,7 @@ read_retry:
else
ret = chip->ecc.read_page(mtd, chip, bufpoi,
oob_required, page);
+#endif
if (ret < 0) {
if (use_bufpoi)
/* Invalidate page cache */
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -895,6 +895,9 @@ struct nand_chip {
int (*setup_data_interface)(struct mtd_info *mtd, int chipnr,
const struct nand_data_interface *conf);
+#ifdef CONFIG_MTK_MTD_NAND
+ int (*read_page)(struct mtd_info *mtd, struct nand_chip *chip, u8 *buf, int page);
+#endif /* CONFIG_MTK_MTD_NAND */
int chip_delay;
unsigned int options;