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-rw-r--r--fs/ceph/dir.c24
-rw-r--r--fs/cifs/cifsencrypt.c11
-rw-r--r--fs/cifs/cifssmb.c4
-rw-r--r--fs/cifs/connect.c25
-rw-r--r--fs/fuse/dir.c7
-rw-r--r--fs/isofs/rock.c4
-rw-r--r--fs/overlayfs/super.c6
-rw-r--r--fs/splice.c3
8 files changed, 51 insertions, 33 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 78180d151730..a594c7879cc2 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1261,26 +1261,30 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags)
return -ECHILD;
op = ceph_snap(dir) == CEPH_SNAPDIR ?
- CEPH_MDS_OP_LOOKUPSNAP : CEPH_MDS_OP_LOOKUP;
+ CEPH_MDS_OP_LOOKUPSNAP : CEPH_MDS_OP_GETATTR;
req = ceph_mdsc_create_request(mdsc, op, USE_ANY_MDS);
if (!IS_ERR(req)) {
req->r_dentry = dget(dentry);
- req->r_num_caps = 2;
+ req->r_num_caps = op == CEPH_MDS_OP_GETATTR ? 1 : 2;
mask = CEPH_STAT_CAP_INODE | CEPH_CAP_AUTH_SHARED;
if (ceph_security_xattr_wanted(dir))
mask |= CEPH_CAP_XATTR_SHARED;
req->r_args.getattr.mask = mask;
- req->r_locked_dir = dir;
err = ceph_mdsc_do_request(mdsc, NULL, req);
- if (err == 0 || err == -ENOENT) {
- if (dentry == req->r_dentry) {
- valid = !d_unhashed(dentry);
- } else {
- d_invalidate(req->r_dentry);
- err = -EAGAIN;
- }
+ switch (err) {
+ case 0:
+ if (d_really_is_positive(dentry) &&
+ d_inode(dentry) == req->r_target_inode)
+ valid = 1;
+ break;
+ case -ENOENT:
+ if (d_really_is_negative(dentry))
+ valid = 1;
+ /* Fallthrough */
+ default:
+ break;
}
ceph_mdsc_put_request(req);
dout("d_revalidate %p lookup result=%d\n",
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 8347c90cf483..5eb04129f938 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -808,7 +808,11 @@ calc_seckey(struct cifs_ses *ses)
struct crypto_skcipher *tfm_arc4;
struct scatterlist sgin, sgout;
struct skcipher_request *req;
- unsigned char sec_key[CIFS_SESS_KEY_SIZE]; /* a nonce */
+ unsigned char *sec_key;
+
+ sec_key = kmalloc(CIFS_SESS_KEY_SIZE, GFP_KERNEL);
+ if (sec_key == NULL)
+ return -ENOMEM;
get_random_bytes(sec_key, CIFS_SESS_KEY_SIZE);
@@ -816,7 +820,7 @@ calc_seckey(struct cifs_ses *ses)
if (IS_ERR(tfm_arc4)) {
rc = PTR_ERR(tfm_arc4);
cifs_dbg(VFS, "could not allocate crypto API arc4\n");
- return rc;
+ goto out;
}
rc = crypto_skcipher_setkey(tfm_arc4, ses->auth_key.response,
@@ -854,7 +858,8 @@ calc_seckey(struct cifs_ses *ses)
out_free_cipher:
crypto_free_skcipher(tfm_arc4);
-
+out:
+ kfree(sec_key);
return rc;
}
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 3f3185febc58..e3fed9249a04 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -3427,6 +3427,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL,
__u16 rc = 0;
struct cifs_posix_acl *cifs_acl = (struct cifs_posix_acl *)parm_data;
struct posix_acl_xattr_header *local_acl = (void *)pACL;
+ struct posix_acl_xattr_entry *ace = (void *)(local_acl + 1);
int count;
int i;
@@ -3453,8 +3454,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL,
return 0;
}
for (i = 0; i < count; i++) {
- rc = convert_ace_to_cifs_ace(&cifs_acl->ace_array[i],
- (struct posix_acl_xattr_entry *)(local_acl + 1));
+ rc = convert_ace_to_cifs_ace(&cifs_acl->ace_array[i], &ace[i]);
if (rc != 0) {
/* ACE not converted */
break;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index aab5227979e2..4547aeddd12b 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -412,6 +412,9 @@ cifs_reconnect(struct TCP_Server_Info *server)
}
} while (server->tcpStatus == CifsNeedReconnect);
+ if (server->tcpStatus == CifsNeedNegotiate)
+ mod_delayed_work(cifsiod_wq, &server->echo, 0);
+
return rc;
}
@@ -421,17 +424,25 @@ cifs_echo_request(struct work_struct *work)
int rc;
struct TCP_Server_Info *server = container_of(work,
struct TCP_Server_Info, echo.work);
- unsigned long echo_interval = server->echo_interval;
+ unsigned long echo_interval;
+
+ /*
+ * If we need to renegotiate, set echo interval to zero to
+ * immediately call echo service where we can renegotiate.
+ */
+ if (server->tcpStatus == CifsNeedNegotiate)
+ echo_interval = 0;
+ else
+ echo_interval = server->echo_interval;
/*
- * We cannot send an echo if it is disabled or until the
- * NEGOTIATE_PROTOCOL request is done, which is indicated by
- * server->ops->need_neg() == true. Also, no need to ping if
- * we got a response recently.
+ * We cannot send an echo if it is disabled.
+ * Also, no need to ping if we got a response recently.
*/
if (server->tcpStatus == CifsNeedReconnect ||
- server->tcpStatus == CifsExiting || server->tcpStatus == CifsNew ||
+ server->tcpStatus == CifsExiting ||
+ server->tcpStatus == CifsNew ||
(server->ops->can_echo && !server->ops->can_echo(server)) ||
time_before(jiffies, server->lstrp + echo_interval - HZ))
goto requeue_echo;
@@ -442,7 +453,7 @@ cifs_echo_request(struct work_struct *work)
server->hostname);
requeue_echo:
- queue_delayed_work(cifsiod_wq, &server->echo, echo_interval);
+ queue_delayed_work(cifsiod_wq, &server->echo, server->echo_interval);
}
static bool
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index b3ebe512d64c..096f79997f75 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1739,8 +1739,6 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
* This should be done on write(), truncate() and chown().
*/
if (!fc->handle_killpriv) {
- int kill;
-
/*
* ia_mode calculation may have used stale i_mode.
* Refresh and recalculate.
@@ -1750,12 +1748,11 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
return ret;
attr->ia_mode = inode->i_mode;
- kill = should_remove_suid(entry);
- if (kill & ATTR_KILL_SUID) {
+ if (inode->i_mode & S_ISUID) {
attr->ia_valid |= ATTR_MODE;
attr->ia_mode &= ~S_ISUID;
}
- if (kill & ATTR_KILL_SGID) {
+ if ((inode->i_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) {
attr->ia_valid |= ATTR_MODE;
attr->ia_mode &= ~S_ISGID;
}
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index 98b3eb7d8eaf..0ec137310320 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -377,9 +377,9 @@ repeat:
{
int p;
for (p = 0; p < rr->u.ER.len_id; p++)
- printk("%c", rr->u.ER.data[p]);
+ printk(KERN_CONT "%c", rr->u.ER.data[p]);
}
- printk("\n");
+ printk(KERN_CONT "\n");
break;
case SIG('P', 'X'):
inode->i_mode = isonum_733(rr->u.PX.mode);
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index edd46a0e951d..0e100856c7b8 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -328,11 +328,11 @@ static struct dentry *ovl_d_real(struct dentry *dentry,
if (!real)
goto bug;
+ /* Handle recursion */
+ real = d_real(real, inode, open_flags);
+
if (!inode || inode == d_inode(real))
return real;
-
- /* Handle recursion */
- return d_real(real, inode, open_flags);
bug:
WARN(1, "ovl_d_real(%pd4, %s:%lu): real dentry not found\n", dentry,
inode ? inode->i_sb->s_id : "NULL", inode ? inode->i_ino : 0);
diff --git a/fs/splice.c b/fs/splice.c
index dcaf185a5731..5a7750bd2eea 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -408,7 +408,8 @@ static ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
if (res <= 0)
return -ENOMEM;
- nr_pages = res / PAGE_SIZE;
+ BUG_ON(dummy);
+ nr_pages = DIV_ROUND_UP(res, PAGE_SIZE);
vec = __vec;
if (nr_pages > PIPE_DEF_BUFFERS) {