]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/cifs/connect.c
Merge branch 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
[linux-2.6-omap-h63xx.git] / fs / cifs / connect.c
index 2209be94305132f375b1082193bdcf7280c312d8..da0f4ffa06132f725570a79f7e0b5fb0b65d1eb6 100644 (file)
@@ -23,7 +23,6 @@
 #include <linux/string.h>
 #include <linux/list.h>
 #include <linux/wait.h>
-#include <linux/ipv6.h>
 #include <linux/pagemap.h>
 #include <linux/ctype.h>
 #include <linux/utsname.h>
@@ -35,6 +34,7 @@
 #include <linux/freezer.h>
 #include <asm/uaccess.h>
 #include <asm/processor.h>
+#include <net/ipv6.h>
 #include "cifspdu.h"
 #include "cifsglob.h"
 #include "cifsproto.h"
@@ -1379,8 +1379,8 @@ cifs_find_tcp_session(struct sockaddr_storage *addr)
                     server->addr.sockAddr.sin_addr.s_addr))
                        continue;
                else if (addr->ss_family == AF_INET6 &&
-                        memcmp(&server->addr.sockAddr6.sin6_addr,
-                               &addr6->sin6_addr, sizeof(addr6->sin6_addr)))
+                        !ipv6_addr_equal(&server->addr.sockAddr6.sin6_addr,
+                                         &addr6->sin6_addr))
                        continue;
 
                ++server->srv_count;
@@ -2180,6 +2180,33 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
                           "mount option supported"));
 }
 
+static int
+is_path_accessible(int xid, struct cifsTconInfo *tcon,
+                  struct cifs_sb_info *cifs_sb, const char *full_path)
+{
+       int rc;
+       __u64 inode_num;
+       FILE_ALL_INFO *pfile_info;
+
+       rc = CIFSGetSrvInodeNumber(xid, tcon, full_path, &inode_num,
+                                  cifs_sb->local_nls,
+                                  cifs_sb->mnt_cifs_flags &
+                                               CIFS_MOUNT_MAP_SPECIAL_CHR);
+       if (rc != -EOPNOTSUPP)
+               return rc;
+
+       pfile_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
+       if (pfile_info == NULL)
+               return -ENOMEM;
+
+       rc = CIFSSMBQPathInfo(xid, tcon, full_path, pfile_info,
+                             0 /* not legacy */, cifs_sb->local_nls,
+                             cifs_sb->mnt_cifs_flags &
+                               CIFS_MOUNT_MAP_SPECIAL_CHR);
+       kfree(pfile_info);
+       return rc;
+}
+
 int
 cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
           char *mount_data, const char *devname)
@@ -2190,6 +2217,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
        struct cifsSesInfo *pSesInfo = NULL;
        struct cifsTconInfo *tcon = NULL;
        struct TCP_Server_Info *srvTcp = NULL;
+       char   *full_path;
 
        xid = GetXid();
 
@@ -2426,6 +2454,23 @@ mount_fail_check:
                cifs_sb->rsize = min(cifs_sb->rsize,
                               (tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE));
 
+       if (!rc && cifs_sb->prepathlen) {
+               /* build_path_to_root works only when we have a valid tcon */
+               full_path = cifs_build_path_to_root(cifs_sb);
+               if (full_path == NULL) {
+                       rc = -ENOMEM;
+                       goto mount_fail_check;
+               }
+               rc = is_path_accessible(xid, tcon, cifs_sb, full_path);
+               if (rc) {
+                       cERROR(1, ("Path %s in not accessible: %d",
+                                               full_path, rc));
+                       kfree(full_path);
+                       goto mount_fail_check;
+               }
+               kfree(full_path);
+       }
+
        /* volume_info->password is freed above when existing session found
        (in which case it is not needed anymore) but when new sesion is created
        the password ptr is put in the new session structure (in which case the