diff options
Diffstat (limited to 'drivers/virt/fsl_hypervisor.c')
| -rw-r--r-- | drivers/virt/fsl_hypervisor.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c index 46ee0a0998b6..e92e2ceb12a4 100644 --- a/drivers/virt/fsl_hypervisor.c +++ b/drivers/virt/fsl_hypervisor.c @@ -659,7 +659,6 @@ static int fsl_hv_open(struct inode *inode, struct file *filp) { struct doorbell_queue *dbq; unsigned long flags; - int ret = 0; dbq = kzalloc(sizeof(struct doorbell_queue), GFP_KERNEL); if (!dbq) { @@ -676,7 +675,7 @@ static int fsl_hv_open(struct inode *inode, struct file *filp) filp->private_data = dbq; - return ret; + return 0; } /* @@ -687,15 +686,13 @@ static int fsl_hv_close(struct inode *inode, struct file *filp) struct doorbell_queue *dbq = filp->private_data; unsigned long flags; - int ret = 0; - spin_lock_irqsave(&db_list_lock, flags); list_del(&dbq->list); spin_unlock_irqrestore(&db_list_lock, flags); kfree(dbq); - return ret; + return 0; } static const struct file_operations fsl_hv_fops = { @@ -799,7 +796,7 @@ static int has_fsl_hypervisor(void) if (!node) return 0; - ret = of_find_property(node, "fsl,hv-version", NULL) != NULL; + ret = of_property_present(node, "fsl,hv-version"); of_node_put(node); @@ -842,7 +839,7 @@ static int __init fsl_hypervisor_init(void) handle = of_get_property(np, "interrupts", NULL); irq = irq_of_parse_and_map(np, 0); - if (!handle || (irq == NO_IRQ)) { + if (!handle || !irq) { pr_err("fsl-hv: no 'interrupts' property in %pOF node\n", np); continue; |