Re: [linux-next:master 2646/4394] drivers/memory/tegra/tegra114-emc.c:520 tegra114_emc_prepare_timing_change() warn: variable dereferenced before check 'timing' (see line 515)

[Krzysztof Kozlowski <krzk@kernel.org>]

On 10/05/2026 11:44, Dan Carpenter wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   e98d21c170b01ddef366f023bbfcf6b31509fa83
> commit: dce208b5405f40c36320bb0ee07e9df8f7f2bea4 [2646/4394] memory: tegra: Add Tegra114 EMC driver
> config: um-randconfig-r072-20260509 (https://download.01.org/0day-ci/archive/20260510/202605100506.wJFmI6IM-lkp@intel.com/config)
> compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3)
> smatch: v0.5.0-9065-ge9cc34fd
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Reported-by: Dan Carpenter <error27@gmail.com>
> | Closes: https://lore.kernel.org/r/202605100506.wJFmI6IM-lkp@intel.com/
> 
> smatch warnings:
> drivers/memory/tegra/tegra114-emc.c:520 tegra114_emc_prepare_timing_change() warn: variable dereferenced before check 'timing' (see line 515)
> 
> vim +/timing +520 drivers/memory/tegra/tegra114-emc.c
> 

Thanks. There was a patch 2 days ago, but I guess you were not aware of
it, so I will add your reported-by to that patch while applying.

Best regards,
Krzysztof