Hello, >> Since Linux 4.6, mtd->priv no longer points to the NAND specific >> structure. Under 4.9 it contains NULL, thus using it to access >> chip->options causes an invalid pointer dereference (FS#1200). >> >> Update the code to use the mtd_to_nand() helper under 4.9 to obtain >> the address of the chip specific data. > > This same construction is present in other files as well: > > target/linux/ar71xx/files/arch/mips/ath79/mach-c60.c: struct > nand_chip *chip = mtd->priv; > target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c: struct > nand_chip *chip = mtd->priv; > target/linux/ar71xx/files/arch/mips/ath79/mach-rb922.c: struct > nand_chip *chip = mtd->priv; > target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c: struct > nand_chip *chip = mtd->priv; > target/linux/ar71xx/files/arch/mips/ath79/mach-rbsxtlite.c: struct > nand_chip *chip = mtd->priv; > > Shouldn't these be included in this patch as well for sake of completeness?
Good point, mach-c60.c should be fixed as well. I will send a separate patch for that. The other mach-rb*.c files are not affected. The fields of the nand_chip structure are not accessed under 4.9 in those files. Regards, Gabor _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev
