linux-stable/drivers/nvmem
Wei Yongjun 2d7248efc2 nvmem: rmem: Fix return value check in rmem_read()
[ Upstream commit 58e92c4a49 ]

In case of error, the function memremap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Fixes: 5a3fa75a4d ("nvmem: Add driver to expose reserved memory as nvmem")
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20221118063840.6357-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-08 11:30:15 +01:00
..
Kconfig nvmem: microchip-otpc: add support 2022-07-08 15:45:05 +02:00
Makefile nvmem: microchip-otpc: add support 2022-07-08 15:45:05 +02:00
apple-efuses.c nvmem: Add Apple eFuse driver 2022-05-09 15:44:21 +02:00
bcm-ocotp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
brcm_nvram.c nvmem: brcm_nvram: find Device Tree nodes for NVMEM cells 2022-05-09 15:44:21 +02:00
core.c nvmem: core: Fix memleak in nvmem_register() 2022-10-21 12:37:40 +02:00
imx-iim.c nvmem: imx-iim: Use of_device_get_match_data() 2021-02-04 17:04:18 +01:00
imx-ocotp-scu.c nvmem: imx: scu: correct the fuse word index 2020-01-10 13:52:12 +01:00
imx-ocotp.c nvmem: imx-ocotp: add support for post processing 2021-10-13 15:33:17 +02:00
jz4780-efuse.c nvmem: jz4780-efuse: Use PTR_ERR_OR_ZERO() to simplify code 2020-05-15 16:20:02 +02:00
layerscape-sfp.c nvmem: sfp: Add support for TA 2.1 devices 2022-05-09 15:46:29 +02:00
lpc18xx_eeprom.c
lpc18xx_otp.c
meson-efuse.c firmware: meson_sm: Rework driver as a proper platform driver 2019-10-03 08:43:33 -07:00
meson-mx-efuse.c nvmem: meson-mx-efuse: replace unnecessary devm_kstrdup() 2022-02-21 18:00:30 +01:00
microchip-otpc.c nvmem: microchip-otpc: add support 2022-07-08 15:45:05 +02:00
mtk-efuse.c nvmem: mtk-efuse: Simplify with devm_platform_get_and_ioremap_resource() 2022-07-08 15:45:05 +02:00
mxs-ocotp.c nvmem: mxs-ocotp: Use devm_add_action_or_reset() for cleanup 2020-03-23 20:05:23 +01:00
nintendo-otp.c nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP 2021-08-13 10:27:20 +02:00
qcom-spmi-sdam.c nvmem: convert comma to semicolon 2021-04-02 16:26:33 +02:00
qfprom.c nvmem: qfprom: using pm_runtime_resume_and_get instead of pm_runtime_get_sync 2022-05-09 15:45:39 +02:00
rave-sp-eeprom.c
rmem.c nvmem: rmem: Fix return value check in rmem_read() 2022-12-08 11:30:15 +01:00
rockchip-efuse.c
rockchip-otp.c nvmem: add Rockchip OTP driver 2019-11-05 18:35:33 +01:00
sc27xx-efuse.c nvmem: sc27xx: add sc2730 efuse support 2020-07-29 17:12:08 +02:00
snvs_lpgpr.c nvmem: convert comma to semicolon 2021-04-02 16:26:33 +02:00
sprd-efuse.c nvmem: sprd: Fix an error message 2021-05-14 13:39:50 +02:00
stm32-romem.c
sunplus-ocotp.c nvmem: sunplus-ocotp: drop useless probe confirmation 2022-04-24 17:15:15 +02:00
sunxi_sid.c nvmem: sunxi_sid: Add support for D1 variant 2022-02-21 18:00:30 +01:00
uniphier-efuse.c
vf610-ocotp.c
zynqmp_nvmem.c firmware: xilinx: Remove eemi ops for get_chipid 2020-04-28 15:45:06 +02:00