i2c: pnx: fix error return code in i2c_pnx_probe()
i2c: pnx: fix error return code in i2c_pnx_probe()

Fix to return a negative error code in the irq get error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <b8f9cab8be13de37b9588aedad10a20fc3a68783@trendmicro.com.cn>
[wsa: fixed wrong exit point, too]
Signed-off-by: Wolfram Sang <fd4ce474653598159cad06f3c83387a05cd53a44@the-dreams.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs