Re: (subset) [PATCH] leds: pca9532: check i2c_smbus_read_byte_data() return value

[Lee Jones]

On Mon, 27 Jul 2026 17:57:54 +0800, haibo.chen@xxxxxxxxxxx wrote:
> Coverity report INTEGER_OVERFLOW (tainted_data_return ->
> cast_underflow -> overflow) in pca9532_getled().
> pca9532_getled() stored the return value of i2c_smbus_read_byte_data()
> into a char and used it directly to compute the LED state without
> checking for an error. i2c_smbus_read_byte_data() returns a negative
> error code on failure. On an I2C read error the negative value was
> assigned to an unsigned type, triggering an integer underflow/overflow,
> and a meaningless LED state was returned to the caller.
> 
> [...]

Applied, thanks!

[1/1] leds: pca9532: check i2c_smbus_read_byte_data() return value
      commit: 1b75f038e5f71ed32ce6593b5763f9776ec58a25

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Lee Jones [李琼斯]