i2c: qcom-cci: don't put a device tree node before i2c_add_adapter()

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There is a minor chance for a race, if a pointer to an i2c-bus subnode
is stored and then reused after releasing its reference, and it would
be sufficient to get one more reference under a loop over children
subnodes.

Fixes: e517526195 ("i2c: Add Qualcomm CCI I2C driver")
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

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Vladimir Zapolskiy 2022-02-03 18:47:03 +02:00 • committed by Wolfram Sang

parent a0d48505a1

commit 02a4a69667

1 changed files with 10 additions and 4 deletions

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drivers/i2c/busses/i2c-qcom-cci.c

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