diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 2 |
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index e3c5c528220..3ad379fcd18 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -31,6 +31,7 @@ #include <linux/moduleparam.h> #include <linux/module.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/uio.h> @@ -2358,7 +2359,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&instance->cmd_pool_lock); - sema_init(&instance->aen_mutex, 1); + mutex_init(&instance->aen_mutex); sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS); /* @@ -2874,10 +2875,10 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) if (!instance) return -ENODEV; - down(&instance->aen_mutex); + mutex_lock(&instance->aen_mutex); error = megasas_register_aen(instance, aen.seq_num, aen.class_locale_word); - up(&instance->aen_mutex); + mutex_unlock(&instance->aen_mutex); return error; } diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 4dffc918a41..08c74c99178 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -1089,7 +1089,7 @@ struct megasas_instance { struct megasas_evt_detail *evt_detail; dma_addr_t evt_detail_h; struct megasas_cmd *aen_cmd; - struct semaphore aen_mutex; + struct mutex aen_mutex; struct semaphore ioctl_sem; struct Scsi_Host *host; |