| Message ID | 20250211145321.1137001-1-mordan@ispras.ru |
|---|---|
| State | New |
| Headers | show |
| Series | i2c: pxa: fix call balance of i2c->clk handling routines | expand |
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index cb6988482673..4144b0ae195e 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -1503,7 +1503,11 @@ static int i2c_pxa_probe(struct platform_device *dev) i2c->adap.name); } - clk_prepare_enable(i2c->clk); + ret = clk_prepare_enable(i2c->clk); + if (ret) { + dev_err(&dev->dev, "failed to enable clock\n"); + return ret; + } if (i2c->use_pio) { i2c->adap.algo = &i2c_pxa_pio_algorithm;
If the clock i2c->clk was not enabled in i2c_pxa_probe(), it should not be disabled in any path. Found by Linux Verification Center (linuxtesting.org) with Klever. Fixes: c3cef3f3c07b ("[ARM] pxa: update pxa i2c driver to use clk support") Signed-off-by: Vitalii Mordan <mordan@ispras.ru> --- drivers/i2c/busses/i2c-pxa.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)