diff options
| author |   Paulo Alcantara <palcantara@suse.de> | 2018-11-14 14:18:22 -0200 |
|---|---|---|
| committer |   Steve French <stfrench@microsoft.com> | 2018-12-23 23:05:08 -0600 |
| commit | d9345e0ae7cff25e9aed39d21f092dbb482dffec (patch) | |
| tree | f3c5d8b5330ef82ab81046ca2b7bc7b4dc2b9a2a /fs/cifs | |
| parent | cifs: Skip any trailing backslashes from UNC (diff) | |
| download | wireguard-linux-d9345e0ae7cff25e9aed39d21f092dbb482dffec.tar.xz wireguard-linux-d9345e0ae7cff25e9aed39d21f092dbb482dffec.zip | |
cifs: Make devname param optional in cifs_compose_mount_options()
If we only want to get the mount options strings, do not return the
devname.
For DFS failover, we'll be passing the DFS full path down to
cifs_mount() rather than the devname.
Signed-off-by: Paulo Alcantara <palcantara@suse.de>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/cifs_dfs_ref.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index b97c74efd04a..7adbdf9eb137 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -126,7 +126,7 @@ cifs_build_devname(char *nodename, const char *prepath) * @sb_mountdata: parent/root DFS mount options (template) * @fullpath: full path in UNC format * @ref: server's referral - * @devname: pointer for saving device name + * @devname: optional pointer for saving device name * * creates mount options for submount based on template options sb_mountdata * and replacing unc,ip,prefixpath options with ones we've got form ref_unc. @@ -140,6 +140,7 @@ char *cifs_compose_mount_options(const char *sb_mountdata, char **devname) { int rc; + char *name; char *mountdata = NULL; const char *prepath = NULL; int md_len; @@ -158,17 +159,17 @@ char *cifs_compose_mount_options(const char *sb_mountdata, prepath++; } - *devname = cifs_build_devname(ref->node_name, prepath); - if (IS_ERR(*devname)) { - rc = PTR_ERR(*devname); - *devname = NULL; + name = cifs_build_devname(ref->node_name, prepath); + if (IS_ERR(name)) { + rc = PTR_ERR(name); + name = NULL; goto compose_mount_options_err; } - rc = dns_resolve_server_name_to_ip(*devname, &srvIP); + rc = dns_resolve_server_name_to_ip(name, &srvIP); if (rc < 0) { cifs_dbg(FYI, "%s: Failed to resolve server part of %s to IP: %d\n", - __func__, *devname, rc); + __func__, name, rc); goto compose_mount_options_err; } @@ -224,6 +225,9 @@ char *cifs_compose_mount_options(const char *sb_mountdata, strcat(mountdata, "ip="); strcat(mountdata, srvIP); + if (devname) + *devname = name; + /*cifs_dbg(FYI, "%s: parent mountdata: %s\n", __func__, sb_mountdata);*/ /*cifs_dbg(FYI, "%s: submount mountdata: %s\n", __func__, mountdata );*/ @@ -234,8 +238,7 @@ compose_mount_options_out: compose_mount_options_err: kfree(mountdata); mountdata = ERR_PTR(rc); - kfree(*devname); - *devname = NULL; + kfree(name); goto compose_mount_options_out; } |