spufs: fix a leak in spufs_create_context()

Leak fixes back in 2008 missed one case - if we are trying to set affinity
and spufs_mkdir() fails, we need to drop the reference to neighbor.

Fixes: 58119068cb27 "[POWERPC] spufs: Fix memory leak on SPU affinity"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index c566e7997f2c1a676cadc2024737667a90307655..9f9e4b871627826223d42eca55d1cd55e9cb9b30 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -460,8 +460,11 @@ spufs_create_context(struct inode *inode, struct dentry *dentry,
        }
 
        ret = spufs_mkdir(inode, dentry, flags, mode & 0777);
-       if (ret)
+       if (ret) {
+               if (neighbor)
+                       put_spu_context(neighbor);
                goto out_aff_unlock;
+       }
 
        if (affinity) {
                spufs_set_affinity(flags, SPUFS_I(d_inode(dentry))->i_ctx,