diff options
Diffstat (limited to 'drivers/char/ipmi/kcs_bmc.c')
-rw-r--r-- | drivers/char/ipmi/kcs_bmc.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/char/ipmi/kcs_bmc.c b/drivers/char/ipmi/kcs_bmc.c index 6476bfb79f44..fbfc05e3f3d1 100644 --- a/drivers/char/ipmi/kcs_bmc.c +++ b/drivers/char/ipmi/kcs_bmc.c @@ -1,5 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 -// Copyright (c) 2015-2018, Intel Corporation. +/* + * Copyright (c) 2015-2018, Intel Corporation. + */ #define pr_fmt(fmt) "kcs-bmc: " fmt @@ -242,14 +244,14 @@ out_unlock: } EXPORT_SYMBOL(kcs_bmc_handle_event); -static inline struct kcs_bmc *file_to_kcs_bmc(struct file *filp) +static inline struct kcs_bmc *to_kcs_bmc(struct file *filp) { return container_of(filp->private_data, struct kcs_bmc, miscdev); } static int kcs_bmc_open(struct inode *inode, struct file *filp) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); int ret = 0; spin_lock_irq(&kcs_bmc->lock); @@ -262,25 +264,25 @@ static int kcs_bmc_open(struct inode *inode, struct file *filp) return ret; } -static unsigned int kcs_bmc_poll(struct file *filp, poll_table *wait) +static __poll_t kcs_bmc_poll(struct file *filp, poll_table *wait) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); - unsigned int mask = 0; + struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); + __poll_t mask = 0; poll_wait(filp, &kcs_bmc->queue, wait); spin_lock_irq(&kcs_bmc->lock); if (kcs_bmc->data_in_avail) - mask |= POLLIN; + mask |= EPOLLIN; spin_unlock_irq(&kcs_bmc->lock); return mask; } -static ssize_t kcs_bmc_read(struct file *filp, char *buf, - size_t count, loff_t *offset) +static ssize_t kcs_bmc_read(struct file *filp, char __user *buf, + size_t count, loff_t *ppos) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); bool data_avail; size_t data_len; ssize_t ret; @@ -339,10 +341,10 @@ out_unlock: return ret; } -static ssize_t kcs_bmc_write(struct file *filp, const char *buf, - size_t count, loff_t *offset) +static ssize_t kcs_bmc_write(struct file *filp, const char __user *buf, + size_t count, loff_t *ppos) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); ssize_t ret; /* a minimum response size '3' : netfn + cmd + ccode */ @@ -378,7 +380,7 @@ out_unlock: static long kcs_bmc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); long ret = 0; spin_lock_irq(&kcs_bmc->lock); @@ -410,7 +412,7 @@ static long kcs_bmc_ioctl(struct file *filp, unsigned int cmd, static int kcs_bmc_release(struct inode *inode, struct file *filp) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); spin_lock_irq(&kcs_bmc->lock); kcs_bmc->running = 0; |