mm/cma_debug.c: align the name buffer length as struct cma

Avoids truncating the debugfs output to 16 chars. Potentially alters the userspace output, but this is a debugfs interface and there are no stability guarantees. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Kassey Li <[email protected]> Cc: Sasha Levin <[email protected]> Cc: Joonsoo Kim <[email protected]> Cc: Minchan Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
josf · Jul 30, 2022 · 198729c · 198729c
1 parent 3d5367a
commit 198729c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mm/cma_debug.c b/mm/cma_debug.c
@@ -163,7 +163,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(cma_alloc_fops, NULL, cma_alloc_write, "%llu\n");
 static void cma_debugfs_add_one(struct cma *cma, struct dentry *root_dentry)
 {
 	struct dentry *tmp;
-	char name[16];
+	char name[CMA_MAX_NAME];
 
 	scnprintf(name, sizeof(name), "cma-%s", cma->name);