i2c: designware: Fix an error handling path in i2c_dw_pci_probe()

If navi_amd_register_client() fails, the previous i2c_dw_probe() call
should be undone by a corresponding i2c_del_adapter() call, as already done
in the remove function.

Fixes: 17631e8ca2d3 ("i2c: designware: Add driver support for AMD NAVI GPU")
Signed-off-by: Christophe JAILLET <[e-mail]>
Cc: <[e-mail]> # v5.13+
Acked-by: Jarkko Nikula <[e-mail]>
Signed-off-by: Andi Shyti <[e-mail]>
Link: https://lore.kernel.org/r/fcd9651835[e-mail]

drivers/i2c/busses/i2c-designware-pcidrv.c

···
 
 	if ((dev->flags & MODEL_MASK) == MODEL_AMD_NAVI_GPU) {
 		dev->slave = i2c_new_ccgx_ucsi(&dev->adapter, dev->irq, &dgpu_node);
-		if (IS_ERR(dev->slave))
+		if (IS_ERR(dev->slave)) {
+			i2c_del_adapter(&dev->adapter);
 			return dev_err_probe(device, PTR_ERR(dev->slave),
 					     "register UCSI failed\n");
+		}
 	}
 
 	pm_runtime_set_autosuspend_delay(device, 1000);