[ Upstream commit 1d9e93fad549bc38f593147479ee063f2872c170 ]
Code should first check for valid value of array offset, then use it as
the index. Fixes smatch warning:
drivers/memory/brcmstb_dpfe.c:443 __send_command() error: testing array offset 'cmd' after use.
Fixes: 2f330caff5 ("memory: brcmstb: Add driver for DPFE")
Acked-by: Markus Mayer <mmayer@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20230513112931.176066-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>