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When building with -Wmaybe-uninitialized, gcc produces a silly false positive warning for the mtk_ecc_encode function: drivers/mtd/nand/mtk_ecc.c: In function 'mtk_ecc_encode': drivers/mtd/nand/mtk_ecc.c:402:15: error: 'val' may be used uninitialized in this function [-Werror=maybe-uninitialized] The function for some reason contains a double byte swap on big-endian builds to get the OOB data into the correct order again, and is written in a slightly confusing way. Using a simple memcpy32_fromio() to read the data simplifies it a lot so it becomes more readable and produces no warning. However, the output might not have 32-bit alignment, so we have to use another memcpy to avoid taking alignment faults or writing beyond the end of the array. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Tested-by: RogerCC Lin <rogercc.lin@mediatek.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> |
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| .. | ||
| bcm47xxnflash | ||
| brcmnand | ||
| gpmi-nand | ||
| ams-delta.c | ||
| atmel_nand_ecc.h | ||
| atmel_nand_nfc.h | ||
| atmel_nand.c | ||
| au1550nd.c | ||
| bf5xx_nand.c | ||
| cafe_nand.c | ||
| cmx270_nand.c | ||
| cs553x_nand.c | ||
| davinci_nand.c | ||
| denali_dt.c | ||
| denali_pci.c | ||
| denali.c | ||
| denali.h | ||
| diskonchip.c | ||
| docg4.c | ||
| fsl_elbc_nand.c | ||
| fsl_ifc_nand.c | ||
| fsl_upm.c | ||
| fsmc_nand.c | ||
| gpio.c | ||
| hisi504_nand.c | ||
| jz4740_nand.c | ||
| jz4780_bch.c | ||
| jz4780_bch.h | ||
| jz4780_nand.c | ||
| Kconfig | ||
| lpc32xx_mlc.c | ||
| lpc32xx_slc.c | ||
| Makefile | ||
| mpc5121_nfc.c | ||
| mtk_ecc.c | ||
| mtk_ecc.h | ||
| mtk_nand.c | ||
| mxc_nand.c | ||
| nand_base.c | ||
| nand_bbt.c | ||
| nand_bch.c | ||
| nand_ecc.c | ||
| nand_ids.c | ||
| nand_timings.c | ||
| nandsim.c | ||
| ndfc.c | ||
| nuc900_nand.c | ||
| omap2.c | ||
| omap_elm.c | ||
| orion_nand.c | ||
| pasemi_nand.c | ||
| plat_nand.c | ||
| pxa3xx_nand.c | ||
| qcom_nandc.c | ||
| r852.c | ||
| r852.h | ||
| s3c2410.c | ||
| sh_flctl.c | ||
| sharpsl.c | ||
| sm_common.c | ||
| sm_common.h | ||
| socrates_nand.c | ||
| sunxi_nand.c | ||
| tmio_nand.c | ||
| txx9ndfmc.c | ||
| vf610_nfc.c | ||
| xway_nand.c | ||