On 2022-07-07 00:26, Tony Krowiak wrote:
The AP bus's __verify_queue_reservations function increments the ref
count
for the device driver passed in as a parameter, but fails to decrement
it
before returning control to the caller. This will prevents any
subsequent
removal of the module.
Signed-off-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx>
Reported-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx>
---
drivers/s390/crypto/ap_bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/s390/crypto/ap_bus.c
b/drivers/s390/crypto/ap_bus.c
index 5c13d2079d96..0a9045b49c50 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1435,7 +1435,7 @@ static int __verify_queue_reservations(struct
device_driver *drv, void *data)
if (ap_drv->in_use) {
rc = ap_drv->in_use(ap_perms.apm, newaqm);
if (rc)
- return -EBUSY;
+ rc = -EBUSY;
}
/* release the driver's module */
Tony, good catch. Thanks. Please add my Reviewed-by: Harald
Freudenberger <freude@xxxxxxxxxxxxx>
and then commit into devel and cc stable.
