diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/connect.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index f3276239e075..9c5c8b8c19fe 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1566,29 +1566,15 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, got_ip = true; break; case Opt_unc: - string = match_strdup(args); - if (string == NULL) + kfree(vol->UNC); + vol->UNC = match_strdup(args); + if (vol->UNC == NULL) goto out_nomem; - temp_len = strnlen(string, 300); - if (temp_len == 300) { - printk(KERN_WARNING "CIFS: UNC name too long\n"); - goto cifs_parse_mount_err; - } - - vol->UNC = kmalloc(temp_len+1, GFP_KERNEL); - if (vol->UNC == NULL) { - printk(KERN_WARNING "CIFS: no memory for UNC\n"); - goto cifs_parse_mount_err; - } - strcpy(vol->UNC, string); - - if (strncmp(string, "//", 2) == 0) { - vol->UNC[0] = '\\'; - vol->UNC[1] = '\\'; - } else if (strncmp(string, "\\\\", 2) != 0) { + convert_delimiter(vol->UNC, '\\'); + if (vol->UNC[0] != '\\' || vol->UNC[1] != '\\') { printk(KERN_WARNING "CIFS: UNC Path does not " - "begin with // or \\\\\n"); + "begin with // or \\\\\n"); goto cifs_parse_mount_err; } @@ -1813,6 +1799,12 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, goto cifs_parse_mount_err; } + /* make sure UNC has a share name */ + if (!strchr(vol->UNC + 3, '\\')) { + cERROR(1, "Malformed UNC. Unable to find share name."); + goto cifs_parse_mount_err; + } + if (!got_ip) { /* No ip= option specified? Try to get it from UNC */ if (!cifs_convert_address(dstaddr, &vol->UNC[2], @@ -2575,13 +2567,6 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info) } } - if (strchr(volume_info->UNC + 3, '\\') == NULL - && strchr(volume_info->UNC + 3, '/') == NULL) { - cERROR(1, "Missing share name"); - rc = -ENODEV; - goto out_fail; - } - /* * BB Do we need to wrap session_mutex around this TCon call and Unix * SetFS as we do on SessSetup and reconnect? |