IPMB doesn't use i2c reads, but the handler needs to set a value.
Otherwise an i2c read will return an uninitialised value from the bus
driver.
Fixes: 63c4eb347164 ("ipmi:ipmb: Add initial support for IPMI over IPMB")
Signed-off-by: Matt Johnston <[email protected]>
---
drivers/char/ipmi/ipmi_ipmb.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/char/ipmi/ipmi_ipmb.c b/drivers/char/ipmi/ipmi_ipmb.c
index
3a51e58b24875497699c7af7a4af1c73b47653f3..28818952a7a4bf814b95bdfb7046672ad4526cf2
100644
--- a/drivers/char/ipmi/ipmi_ipmb.c
+++ b/drivers/char/ipmi/ipmi_ipmb.c
@@ -202,11 +202,16 @@ static int ipmi_ipmb_slave_cb(struct i2c_client *client,
break;
case I2C_SLAVE_READ_REQUESTED:
+ *val = 0xff;
+ ipmi_ipmb_check_msg_done(iidev);
+ break;
+
case I2C_SLAVE_STOP:
ipmi_ipmb_check_msg_done(iidev);
break;
case I2C_SLAVE_READ_PROCESSED:
+ *val = 0xff;
break;
}
---
base-commit: b71e635feefc852405b14620a7fc58c4c80c0f73
change-id: 20260113-ipmb-read-init-5b97dfbcd3b9
Best regards,
--
Matt Johnston <[email protected]>
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