The real r/w flags were lost in the switch to dentry cache
implementation. Restore them.
Fixes: 9137c41915 ("fs: devfs: Switch to dentry cache implementation")
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
fs/devfs.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/devfs.c b/fs/devfs.c
index 84c619f1ed..d2b801036e 100644
--- a/fs/devfs.c
+++ b/fs/devfs.c
@@ -251,10 +251,15 @@ static struct dentry *devfs_lookup(struct inode *dir, struct dentry *dentry,
if (!cdev)
return ERR_PTR(-ENOENT);
- inode = devfs_get_inode(dir->i_sb, dir, S_IFCHR | S_IRWXUGO);
+ inode = devfs_get_inode(dir->i_sb, dir, S_IFCHR);
if (!inode)
return ERR_PTR(-ENOMEM);
+ if (cdev->ops->write)
+ inode->i_mode |= S_IWUSR;
+ if (cdev->ops->read)
+ inode->i_mode |= S_IRUSR;
+
dinode = container_of(inode, struct devfs_inode, inode);
inode->i_size = cdev->size;
--
2.18.0
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