From f403f85f5334fb169d5c00deac106f140b62d3c9 Mon Sep 17 00:00:00 2001 From: Anton Vasilyev Date: Tue, 1 Aug 2017 16:25:59 +0300 Subject: 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 Reviewed-by: Andy Shevchenko Signed-off-by: Jiri Kosina --- drivers/misc/ibmasm/event.c | 2 +- drivers/misc/ibmasm/module.c | 6 ++++-- 2 files changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/misc') 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; } -- cgit