powerpc/spufs: Fix double unlocks

spufs return path has a bug where it could end up trying to
unlock an inode mutex twice. Fix it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 1 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index d4a094ca96f3..114ab14cb7d8 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -646,6 +646,7 @@ long spufs_create(struct path *path, struct dentry *dentry,
 
 out:
         mutex_unlock(&path->dentry->d_inode->i_mutex);
+        dput(dentry);
         return ret;
 }
 
diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index 8591bb62d7fc..5665dcc382c7 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -70,8 +70,6 @@ static long do_spu_create(const char __user *pathname, unsigned int flags,
         ret = PTR_ERR(dentry);
         if (!IS_ERR(dentry)) {
                 ret = spufs_create(&path, dentry, flags, mode, neighbor);
-                mutex_unlock(&path.dentry->d_inode->i_mutex);
-                dput(dentry);
                 path_put(&path);
         }