fs: dlm: Simplify buffer size computation in dlm_create_debug_file()

[ Upstream commit 19b3102c0b5350621e7492281f2be0f071fb7e31 ]

Use sizeof(name) instead of the equivalent, but hard coded,
DLM_LOCKSPACE_LEN + 8.

This is less verbose and more future proof.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index fc44ab6..c93359c 100644 (file)
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -987,7 +987,7 @@ void 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, sizeof(name), "%s_locks", ls->ls_name);
 
        ls->ls_debug_locks_dentry = debugfs_create_file(name,
                                                        0644,
@@ -998,7 +998,7 @@ void 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, sizeof(name), "%s_all", ls->ls_name);
 
        ls->ls_debug_all_dentry = debugfs_create_file(name,
                                                      S_IFREG | S_IRUGO,
@@ -1009,7 +1009,7 @@ void 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, sizeof(name), "%s_toss", ls->ls_name);
 
        ls->ls_debug_toss_dentry = debugfs_create_file(name,
                                                       S_IFREG | S_IRUGO,
@@ -1018,7 +1018,7 @@ void dlm_create_debug_file(struct dlm_ls *ls)
                                                       &format4_fops);
 
        memset(name, 0, sizeof(name));
-       snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_waiters", ls->ls_name);
+       snprintf(name, sizeof(name), "%s_waiters", ls->ls_name);
 
        ls->ls_debug_waiters_dentry = debugfs_create_file(name,
                                                          0644,
@@ -1029,7 +1029,7 @@ void dlm_create_debug_file(struct dlm_ls *ls)
        /* format 5 */
 
        memset(name, 0, sizeof(name));
-       snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_queued_asts", ls->ls_name);
+       snprintf(name, sizeof(name), "%s_queued_asts", ls->ls_name);
 
        ls->ls_debug_queued_asts_dentry = debugfs_create_file(name,
                                                              0644,