[PATCH 3/4] fs: allow mknod in user namespaces

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Since we have strict control on who access the devices, it should be
no problem to allow the device to appear.

Signed-off-by: Glauber Costa <glommer@xxxxxxxxxxxxx>
Cc: Aristeu Rozanski <aris@xxxxxxxxxx>
Cc: Eric Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>
---
 fs/namei.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index 8a34d79..d0b4549 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3126,7 +3126,7 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 	if (error)
 		return error;
 
-	if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD))
+	if ((S_ISCHR(mode) || S_ISBLK(mode)) && !nsown_capable(CAP_MKNOD))
 		return -EPERM;
 
 	if (!dir->i_op->mknod)
-- 
1.8.1.2

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