diff options
Diffstat (limited to 'fs/dlm')
| -rw-r--r-- | fs/dlm/debug_fs.c | 4 | ||||
| -rw-r--r-- | fs/dlm/lowcomms-tcp.c | 23 | ||||
| -rw-r--r-- | fs/dlm/memory.c | 4 | ||||
| -rw-r--r-- | fs/dlm/user.c | 6 |
4 files changed, 12 insertions, 25 deletions
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index ca94a837a5b..61ba670b9e0 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c @@ -287,7 +287,7 @@ static int rsb_open(struct inode *inode, struct file *file) return 0; } -static struct file_operations rsb_fops = { +static const struct file_operations rsb_fops = { .owner = THIS_MODULE, .open = rsb_open, .read = seq_read, @@ -331,7 +331,7 @@ static ssize_t waiters_read(struct file *file, char __user *userbuf, return rv; } -static struct file_operations waiters_fops = { +static const struct file_operations waiters_fops = { .owner = THIS_MODULE, .open = waiters_open, .read = waiters_read diff --git a/fs/dlm/lowcomms-tcp.c b/fs/dlm/lowcomms-tcp.c index f1efd17b261..07e0a122c32 100644 --- a/fs/dlm/lowcomms-tcp.c +++ b/fs/dlm/lowcomms-tcp.c @@ -268,12 +268,12 @@ static void close_connection(struct connection *con, bool and_other) static int receive_from_sock(struct connection *con) { int ret = 0; - struct msghdr msg; - struct iovec iov[2]; - mm_segment_t fs; + struct msghdr msg = {}; + struct kvec iov[2]; unsigned len; int r; int call_again_soon = 0; + int nvec; mutex_lock(&con->sock_mutex); @@ -293,21 +293,13 @@ static int receive_from_sock(struct connection *con) cbuf_init(&con->cb, PAGE_CACHE_SIZE); } - msg.msg_control = NULL; - msg.msg_controllen = 0; - msg.msg_iovlen = 1; - msg.msg_iov = iov; - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_flags = 0; - /* * iov[0] is the bit of the circular buffer between the current end * point (cb.base + cb.len) and the end of the buffer. */ iov[0].iov_len = con->cb.base - cbuf_data(&con->cb); iov[0].iov_base = page_address(con->rx_page) + cbuf_data(&con->cb); - iov[1].iov_len = 0; + nvec = 1; /* * iov[1] is the bit of the circular buffer between the start of the @@ -317,15 +309,12 @@ static int receive_from_sock(struct connection *con) iov[0].iov_len = PAGE_CACHE_SIZE - cbuf_data(&con->cb); iov[1].iov_len = con->cb.base; iov[1].iov_base = page_address(con->rx_page); - msg.msg_iovlen = 2; + nvec = 2; } len = iov[0].iov_len + iov[1].iov_len; - fs = get_fs(); - set_fs(get_ds()); - r = ret = sock_recvmsg(con->sock, &msg, len, + r = ret = kernel_recvmsg(con->sock, &msg, iov, nvec, len, MSG_DONTWAIT | MSG_NOSIGNAL); - set_fs(fs); if (ret <= 0) goto out_close; diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c index 5352b03ff5a..f858fef6e41 100644 --- a/fs/dlm/memory.c +++ b/fs/dlm/memory.c @@ -76,9 +76,7 @@ struct dlm_lkb *allocate_lkb(struct dlm_ls *ls) { struct dlm_lkb *lkb; - lkb = kmem_cache_alloc(lkb_cache, GFP_KERNEL); - if (lkb) - memset(lkb, 0, sizeof(*lkb)); + lkb = kmem_cache_zalloc(lkb_cache, GFP_KERNEL); return lkb; } diff --git a/fs/dlm/user.c b/fs/dlm/user.c index d378b7fe2a1..40db61dc95f 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -25,7 +25,7 @@ static const char *name_prefix="dlm"; static struct miscdevice ctl_device; -static struct file_operations device_fops; +static const struct file_operations device_fops; #ifdef CONFIG_COMPAT @@ -759,7 +759,7 @@ static int ctl_device_close(struct inode *inode, struct file *file) return 0; } -static struct file_operations device_fops = { +static const struct file_operations device_fops = { .open = device_open, .release = device_close, .read = device_read, @@ -768,7 +768,7 @@ static struct file_operations device_fops = { .owner = THIS_MODULE, }; -static struct file_operations ctl_device_fops = { +static const struct file_operations ctl_device_fops = { .open = ctl_device_open, .release = ctl_device_close, .write = device_write, |