cifs: move cifs_parse_devname to fs_context.c
Also rename the function from cifs_ to smb3_
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index ee40bce..8ae4536 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1258,61 +1258,6 @@ static int get_option_gid(substring_t args[], kgid_t *result)
return 0;
}
-/*
- * Parse a devname into substrings and populate the vol->UNC and vol->prepath
- * fields with the result. Returns 0 on success and an error otherwise.
- */
-static int
-cifs_parse_devname(const char *devname, struct smb3_fs_context *ctx)
-{
- char *pos;
- const char *delims = "/\\";
- size_t len;
-
- if (unlikely(!devname || !*devname)) {
- cifs_dbg(VFS, "Device name not specified\n");
- return -EINVAL;
- }
-
- /* make sure we have a valid UNC double delimiter prefix */
- len = strspn(devname, delims);
- if (len != 2)
- return -EINVAL;
-
- /* find delimiter between host and sharename */
- pos = strpbrk(devname + 2, delims);
- if (!pos)
- return -EINVAL;
-
- /* skip past delimiter */
- ++pos;
-
- /* now go until next delimiter or end of string */
- len = strcspn(pos, delims);
-
- /* move "pos" up to delimiter or NULL */
- pos += len;
- ctx->UNC = kstrndup(devname, pos - devname, GFP_KERNEL);
- if (!ctx->UNC)
- return -ENOMEM;
-
- convert_delimiter(ctx->UNC, '\\');
-
- /* skip any delimiter */
- if (*pos == '/' || *pos == '\\')
- pos++;
-
- /* If pos is NULL then no prepath */
- if (!*pos)
- return 0;
-
- ctx->prepath = kstrdup(pos, GFP_KERNEL);
- if (!ctx->prepath)
- return -ENOMEM;
-
- return 0;
-}
-
static int
cifs_parse_mount_options(const char *mountdata, const char *devname,
struct smb3_fs_context *ctx, bool is_smb3)
@@ -1416,7 +1361,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
ctx->backupuid_specified = false; /* no backup intent for a user */
ctx->backupgid_specified = false; /* no backup intent for a group */
- switch (cifs_parse_devname(devname, ctx)) {
+ switch (smb3_parse_devname(devname, ctx)) {
case 0:
break;
case -ENOMEM:
@@ -4548,7 +4493,7 @@ static int check_dfs_prepath(struct cifs_sb_info *cifs_sb, struct smb3_fs_contex
struct smb3_fs_context v = {NULL};
/* if @path contains a tree name, skip it in the prefix path */
if (added_treename) {
- rc = cifs_parse_devname(path, &v);
+ rc = smb3_parse_devname(path, &v);
if (rc)
break;
rc = -EREMOTE;