diff options
| author | Anton Vasilyev <vasilyev@ispras.ru> | 2017-08-01 16:25:59 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-10-12 15:37:19 +0200 |
| commit | f403f85f5334fb169d5c00deac106f140b62d3c9 (patch) | |
| tree | 15600778f839c182c1dfd8bd4fa37f7cf0ff2d5b /drivers/misc | |
| parent | df47b246ed176b504b1d50ad63aa5a3bf7551f82 (diff) | |
| download | linux-f403f85f5334fb169d5c00deac106f140b62d3c9.tar.gz | |
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>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/ibmasm/event.c | 2 | ||||
| -rw-r--r-- | drivers/misc/ibmasm/module.c | 6 |
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/misc/ibmasm/event.c b/drivers/misc/ibmasm/event.c index 8e540f4e9d52..7e33025b4854 100644 --- a/drivers/misc/ibmasm/event.c +++ b/drivers/misc/ibmasm/event.c @@ -155,7 +155,7 @@ int ibmasm_event_buffer_init(struct service_processor *sp) buffer = kmalloc(sizeof(struct event_buffer), GFP_KERNEL); if (!buffer) - return 1; + return -ENOMEM; buffer->next_index = 0; buffer->next_serial_number = 1; diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c index c5a456b0a564..e914b8c80943 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; } |