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| author | David S. Miller <davem@davemloft.net> | 2010-04-11 02:44:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-11 02:44:30 -0700 |
| commit | 4a1032faac94ebbf647460ae3e06fc21146eb280 (patch) | |
| tree | 7f31b97beb0406faa1523e619289ad0ab07c9787 /net/9p/client.c | |
| parent | ae4e8d63b5619d4d95f1d2bfa2b836caa6e62d06 (diff) | |
| parent | 0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (diff) | |
| download | linux-stable-4a1032faac94ebbf647460ae3e06fc21146eb280.tar.gz linux-stable-4a1032faac94ebbf647460ae3e06fc21146eb280.tar.bz2 linux-stable-4a1032faac94ebbf647460ae3e06fc21146eb280.zip | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'net/9p/client.c')
| -rw-r--r-- | net/9p/client.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index e3e5bf4469ce..0aa79faa9850 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -29,6 +29,7 @@ #include <linux/poll.h> #include <linux/idr.h> #include <linux/mutex.h> +#include <linux/slab.h> #include <linux/sched.h> #include <linux/uaccess.h> #include <net/9p/9p.h> @@ -71,9 +72,10 @@ inline int p9_is_proto_dotu(struct p9_client *clnt) EXPORT_SYMBOL(p9_is_proto_dotu); /* Interpret mount option for protocol version */ -static unsigned char get_protocol_version(const substring_t *name) +static int get_protocol_version(const substring_t *name) { - unsigned char version = -EINVAL; + int version = -EINVAL; + if (!strncmp("9p2000", name->from, name->to-name->from)) { version = p9_proto_legacy; P9_DPRINTK(P9_DEBUG_9P, "Protocol version: Legacy\n"); @@ -533,7 +535,12 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...) P9_DPRINTK(P9_DEBUG_MUX, "client %p op %d\n", c, type); - if (c->status != Connected) + /* we allow for any status other than disconnected */ + if (c->status == Disconnected) + return ERR_PTR(-EIO); + + /* if status is begin_disconnected we allow only clunk request */ + if ((c->status == BeginDisconnect) && (type != P9_TCLUNK)) return ERR_PTR(-EIO); if (signal_pending(current)) { @@ -799,8 +806,10 @@ void p9_client_destroy(struct p9_client *clnt) v9fs_put_trans(clnt->trans_mod); - list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist) + list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist) { + printk(KERN_INFO "Found fid %d not clunked\n", fid->fid); p9_fid_destroy(fid); + } if (clnt->fidpool) p9_idpool_destroy(clnt->fidpool); @@ -818,6 +827,13 @@ void p9_client_disconnect(struct p9_client *clnt) } EXPORT_SYMBOL(p9_client_disconnect); +void p9_client_begin_disconnect(struct p9_client *clnt) +{ + P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt); + clnt->status = BeginDisconnect; +} +EXPORT_SYMBOL(p9_client_begin_disconnect); + struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid, char *uname, u32 n_uname, char *aname) { |