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-rw-r--r--fs/sysfs/mount.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 8133ca3..84ef378 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -52,7 +52,9 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
sysfs_sb = sb;
/* get root inode, initialize and unlock it */
+ mutex_lock(&sysfs_mutex);
inode = sysfs_get_inode(&sysfs_root);
+ mutex_unlock(&sysfs_mutex);
if (!inode) {
pr_debug("sysfs: could not get root inode\n");
return -ENOMEM;
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