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Subject[PATCH 04/17] AFS: Add key request for pioctl
Date
From: Wang Lei <wang840925@gmail.com>

afs_pioctl() should get the security key applicable to the nominated file and
pass it on to the command handlers.

Signed-off-by: Wang Lei <wang840925@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
---

fs/afs/pioctl.c | 21 ++++++++++++++++++++-
1 files changed, 20 insertions(+), 1 deletions(-)


diff --git a/fs/afs/pioctl.c b/fs/afs/pioctl.c
index 5a76017..63a6211 100644
--- a/fs/afs/pioctl.c
+++ b/fs/afs/pioctl.c
@@ -17,9 +17,28 @@
*/
long afs_pioctl(struct dentry *dentry, int cmd, struct vice_ioctl *arg)
{
+ struct afs_vnode *vnode = AFS_FS_I(dentry->d_inode);
+ struct key *key;
+ long ret;
+
+ _enter(",%x(%d),{%d,%d}",
+ cmd, _IOC_NR(cmd), arg->in_size, arg->out_size);
+
+ key = afs_request_key(vnode->volume->cell);
+ if (IS_ERR(key)) {
+ ret = PTR_ERR(key);
+ _leave(" = %ld [no key]", ret);
+ return ret;
+ }
+
switch (cmd) {
default:
printk(KERN_DEBUG "AFS: Unsupported pioctl command %x\n", cmd);
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ break;
}
+
+ key_put(key);
+ _leave(" = %ld", ret);
+ return ret;
}


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