misc: ibmasm: Return error on error path
If ibmasm_event_buffer_init() or ibmasm_heartbeat_init() fails,
then ibmasm_init_one() release all resources and return 0 on error path.
The patch adds corresponding error for fails.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c
index c5a456b..e914b8c 100644
--- a/drivers/misc/ibmasm/module.c
+++ b/drivers/misc/ibmasm/module.c
@@ -94,12 +94,14 @@ static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
snprintf(sp->dirname, IBMASM_NAME_SIZE, "%d", sp->number);
snprintf(sp->devname, IBMASM_NAME_SIZE, "%s%d", DRIVER_NAME, sp->number);
- if (ibmasm_event_buffer_init(sp)) {
+ result = ibmasm_event_buffer_init(sp);
+ if (result) {
dev_err(sp->dev, "Failed to allocate event buffer\n");
goto error_eventbuffer;
}
- if (ibmasm_heartbeat_init(sp)) {
+ result = ibmasm_heartbeat_init(sp);
+ if (result) {
dev_err(sp->dev, "Failed to allocate heartbeat command\n");
goto error_heartbeat;
}