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-rw-r--r--fs/dlm/debug_fs.c25
-rw-r--r--fs/dlm/lock.c8
-rw-r--r--fs/dlm/lockspace.c9
-rw-r--r--fs/dlm/lowcomms.c2
-rw-r--r--fs/dlm/member.c15
-rw-r--r--fs/dlm/user.c6
-rw-r--r--include/uapi/linux/dlm_netlink.h1
7 files changed, 36 insertions, 30 deletions
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index ca7089aeadab..fa08448e35dd 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -68,7 +68,7 @@ static void print_format1_lock(struct seq_file *s, struct dlm_lkb *lkb,
if (lkb->lkb_wait_type)
seq_printf(s, " wait_type: %d", lkb->lkb_wait_type);
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
}
static void print_format1(struct dlm_rsb *res, struct seq_file *s)
@@ -111,7 +111,7 @@ static void print_format1(struct dlm_rsb *res, struct seq_file *s)
}
if (rsb_flag(res, RSB_VALNOTVALID))
seq_puts(s, " (INVALID)");
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
if (seq_has_overflowed(s))
goto out;
}
@@ -156,7 +156,7 @@ static void print_format1(struct dlm_rsb *res, struct seq_file *s)
lkb->lkb_id, print_lockmode(lkb->lkb_rqmode));
if (lkb->lkb_wait_type)
seq_printf(s, " wait_type: %d", lkb->lkb_wait_type);
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
if (seq_has_overflowed(s))
goto out;
}
@@ -287,7 +287,7 @@ static void print_format3(struct dlm_rsb *r, struct seq_file *s)
else
seq_printf(s, " %02x", (unsigned char)r->res_name[i]);
}
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
if (seq_has_overflowed(s))
goto out;
@@ -298,7 +298,7 @@ static void print_format3(struct dlm_rsb *r, struct seq_file *s)
for (i = 0; i < lvblen; i++)
seq_printf(s, " %02x", (unsigned char)r->res_lvbptr[i]);
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
if (seq_has_overflowed(s))
goto out;
@@ -361,8 +361,7 @@ static void print_format4(struct dlm_rsb *r, struct seq_file *s)
else
seq_printf(s, " %02x", (unsigned char)r->res_name[i]);
}
- seq_puts(s, "\n");
-
+ seq_putc(s, '\n');
unlock_rsb(r);
}
@@ -436,7 +435,7 @@ static void *table_seq_start(struct seq_file *seq, loff_t *pos)
if (bucket >= ls->ls_rsbtbl_size)
return NULL;
- ri = kzalloc(sizeof(struct rsbtbl_iter), GFP_NOFS);
+ ri = kzalloc(sizeof(*ri), GFP_NOFS);
if (!ri)
return NULL;
if (n == 0)
@@ -742,7 +741,7 @@ void dlm_delete_debug_file(struct dlm_ls *ls)
int dlm_create_debug_file(struct dlm_ls *ls)
{
- char name[DLM_LOCKSPACE_LEN+8];
+ char name[DLM_LOCKSPACE_LEN + 8];
/* format 1 */
@@ -757,7 +756,7 @@ int dlm_create_debug_file(struct dlm_ls *ls)
/* format 2 */
memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_locks", ls->ls_name);
+ snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_locks", ls->ls_name);
ls->ls_debug_locks_dentry = debugfs_create_file(name,
S_IFREG | S_IRUGO,
@@ -770,7 +769,7 @@ int dlm_create_debug_file(struct dlm_ls *ls)
/* format 3 */
memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_all", ls->ls_name);
+ snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_all", ls->ls_name);
ls->ls_debug_all_dentry = debugfs_create_file(name,
S_IFREG | S_IRUGO,
@@ -783,7 +782,7 @@ int dlm_create_debug_file(struct dlm_ls *ls)
/* format 4 */
memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_toss", ls->ls_name);
+ snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_toss", ls->ls_name);
ls->ls_debug_toss_dentry = debugfs_create_file(name,
S_IFREG | S_IRUGO,
@@ -794,7 +793,7 @@ int dlm_create_debug_file(struct dlm_ls *ls)
goto fail;
memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_waiters", ls->ls_name);
+ snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_waiters", ls->ls_name);
ls->ls_debug_waiters_dentry = debugfs_create_file(name,
S_IFREG | S_IRUGO,
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 6df332296c66..d4aaddec1b16 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1426,7 +1426,7 @@ void dlm_scan_waiters(struct dlm_ls *ls)
if (!num_nodes) {
num_nodes = ls->ls_num_nodes;
- warned = kzalloc(num_nodes * sizeof(int), GFP_KERNEL);
+ warned = kcalloc(num_nodes, sizeof(int), GFP_KERNEL);
}
if (!warned)
continue;
@@ -5119,11 +5119,9 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls)
int wait_type, stub_unlock_result, stub_cancel_result;
int dir_nodeid;
- ms_stub = kmalloc(sizeof(struct dlm_message), GFP_KERNEL);
- if (!ms_stub) {
- log_error(ls, "dlm_recover_waiters_pre no mem");
+ ms_stub = kmalloc(sizeof(*ms_stub), GFP_KERNEL);
+ if (!ms_stub)
return;
- }
mutex_lock(&ls->ls_waiters_mutex);
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 91592b75c309..78a7c855b06b 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -235,7 +235,7 @@ static int dlm_uevent(struct kset *kset, struct kobject *kobj,
return 0;
}
-static struct kset_uevent_ops dlm_uevent_ops = {
+static const struct kset_uevent_ops dlm_uevent_ops = {
.uevent = dlm_uevent,
};
@@ -453,9 +453,14 @@ static int new_lockspace(const char *name, const char *cluster,
*ops_result = 0;
}
+ if (!cluster)
+ log_print("dlm cluster name '%s' is being used without an application provided cluster name",
+ dlm_config.ci_cluster_name);
+
if (dlm_config.ci_recover_callbacks && cluster &&
strncmp(cluster, dlm_config.ci_cluster_name, DLM_LOCKSPACE_LEN)) {
- log_print("dlm cluster name %s mismatch %s",
+ log_print("dlm cluster name '%s' does not match "
+ "the application cluster name '%s'",
dlm_config.ci_cluster_name, cluster);
error = -EBADR;
goto out;
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 9382db998ec9..4813d0e0cd9b 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -729,7 +729,7 @@ static int tcp_accept_from_sock(struct connection *con)
mutex_unlock(&connections_lock);
memset(&peeraddr, 0, sizeof(peeraddr));
- result = sock_create_kern(&init_net, dlm_local_addr[0]->ss_family,
+ result = sock_create_lite(dlm_local_addr[0]->ss_family,
SOCK_STREAM, IPPROTO_TCP, &newsock);
if (result < 0)
return -ENOMEM;
diff --git a/fs/dlm/member.c b/fs/dlm/member.c
index 9c47f1c14a8b..3fda3832cf6a 100644
--- a/fs/dlm/member.c
+++ b/fs/dlm/member.c
@@ -217,8 +217,7 @@ int dlm_slots_assign(struct dlm_ls *ls, int *num_slots, int *slots_size,
}
array_size = max + need;
-
- array = kzalloc(array_size * sizeof(struct dlm_slot), GFP_NOFS);
+ array = kcalloc(array_size, sizeof(*array), GFP_NOFS);
if (!array)
return -ENOMEM;
@@ -319,7 +318,7 @@ static int dlm_add_member(struct dlm_ls *ls, struct dlm_config_node *node)
struct dlm_member *memb;
int error;
- memb = kzalloc(sizeof(struct dlm_member), GFP_NOFS);
+ memb = kzalloc(sizeof(*memb), GFP_NOFS);
if (!memb)
return -ENOMEM;
@@ -405,8 +404,7 @@ static void make_member_array(struct dlm_ls *ls)
}
ls->ls_total_weight = total;
-
- array = kmalloc(sizeof(int) * total, GFP_NOFS);
+ array = kmalloc_array(total, sizeof(*array), GFP_NOFS);
if (!array)
return;
@@ -492,8 +490,7 @@ void dlm_lsop_recover_done(struct dlm_ls *ls)
return;
num = ls->ls_num_nodes;
-
- slots = kzalloc(num * sizeof(struct dlm_slot), GFP_KERNEL);
+ slots = kcalloc(num, sizeof(*slots), GFP_KERNEL);
if (!slots)
return;
@@ -673,11 +670,11 @@ int dlm_ls_stop(struct dlm_ls *ls)
int dlm_ls_start(struct dlm_ls *ls)
{
- struct dlm_recover *rv = NULL, *rv_old;
+ struct dlm_recover *rv, *rv_old;
struct dlm_config_node *nodes;
int error, count;
- rv = kzalloc(sizeof(struct dlm_recover), GFP_NOFS);
+ rv = kzalloc(sizeof(*rv), GFP_NOFS);
if (!rv)
return -ENOMEM;
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 23488f559cf9..d18e7a539f11 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -123,6 +123,8 @@ static void compat_input(struct dlm_write_request *kb,
static void compat_output(struct dlm_lock_result *res,
struct dlm_lock_result32 *res32)
{
+ memset(res32, 0, sizeof(*res32));
+
res32->version[0] = res->version[0];
res32->version[1] = res->version[1];
res32->version[2] = res->version[2];
@@ -355,6 +357,10 @@ static int dlm_device_register(struct dlm_ls *ls, char *name)
error = misc_register(&ls->ls_device);
if (error) {
kfree(ls->ls_device.name);
+ /* this has to be set to NULL
+ * to avoid a double-free in dlm_device_deregister
+ */
+ ls->ls_device.name = NULL;
}
fail:
return error;
diff --git a/include/uapi/linux/dlm_netlink.h b/include/uapi/linux/dlm_netlink.h
index 647c8ef27227..ef1e2e08769a 100644
--- a/include/uapi/linux/dlm_netlink.h
+++ b/include/uapi/linux/dlm_netlink.h
@@ -10,6 +10,7 @@
#define _DLM_NETLINK_H
#include <linux/types.h>
+#include <linux/dlmconstants.h>
enum {
DLM_STATUS_WAITING = 1,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 11:34:12 +0100