Merge tag 'tags/soc_for_v3.10' into mvebu/dt

Pulling in mvebu branches which contain changes to armada*.dts? files for LPAE
conversion.

mvebu soc changes for v3.10

 - use the mvebu-mbus driver
 - prep for LPAE support

Depends:
 - mvebu/cleanup (tags/cleanup_for_v3.10)
 - mvebu/drivers (tags/drivers_for_v3.10)

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/pipe.c b/fs/pipe.c
index 64a494cef0a0..2234f3f61f8d 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -863,6 +863,9 @@ pipe_rdwr_open(struct inode *inode, struct file *filp)
 {
         int ret = -ENOENT;
 
+        if (!(filp->f_mode & (FMODE_READ|FMODE_WRITE)))
+                return -EINVAL;
+
         mutex_lock(&inode->i_mutex);
 
         if (inode->i_pipe) {