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| /openbmc/linux/drivers/memory/samsung/ |
| H A D | exynos5422-dmc.c | diff c4f16e96d8fdd62ef12898fc0965c42093bed237 Mon Jul 20 06:03:01 CDT 2020 Krzysztof Kozlowski <krzk@kernel.org> memory: samsung: exynos5422-dmc: Do not ignore return code of regmap_read()
Check for regmap_read() return code before using the read value in
following write in exynos5_switch_timing_regs(). Pass reading error
code to the callers.
This does not introduce proper error handling for such failed reads (and
obviously regmap_write() error is still ignored) because the driver
ignored this in all places. Therefor it only fixes reported issue while
matching current driver coding style:
drivers/memory/samsung/exynos5422-dmc.c: In function 'exynos5_switch_timing_regs':
>> drivers/memory/samsung/exynos5422-dmc.c:216:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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