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-rw-r--r--fs/pipe.c3
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) {