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[Qemu-devel] [PATCH 01/11] smbus: add a NULL check for SMBusDeviceClass:
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From: |
Philippe Mathieu-Daudé |
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Subject: |
[Qemu-devel] [PATCH 01/11] smbus: add a NULL check for SMBusDeviceClass::init callbacks |
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Date: |
Tue, 16 Jan 2018 10:15:45 -0300 |
ensure SMBusDeviceClass::init is set before calling it
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
hw/i2c/smbus.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/hw/i2c/smbus.c b/hw/i2c/smbus.c
index 2d1b79a689..a90d65ef37 100644
--- a/hw/i2c/smbus.c
+++ b/hw/i2c/smbus.c
@@ -207,7 +207,11 @@ static int smbus_device_init(I2CSlave *i2c)
SMBusDevice *dev = SMBUS_DEVICE(i2c);
SMBusDeviceClass *sc = SMBUS_DEVICE_GET_CLASS(dev);
- return sc->init(dev);
+ if (sc->init) {
+ return sc->init(dev);
+ }
+
+ return 0;
}
/* Master device commands. */
--
2.15.1