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Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
[firefly-linux-kernel-4.4.55.git]
/
fs
/
pipe.c
diff --git
a/fs/pipe.c
b/fs/pipe.c
index 64a494cef0a00be57d0800637b71caf2537c2694..2234f3f61f8d8fbc6a1f77dbaae6412130b8a5d4 100644
(file)
--- 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) {