1 files changed, 8 insertions, 0 deletions

diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index a0b3e7d1be48..e0445e2075b2 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -79,6 +79,10 @@ convert_sfu_char(const __u16 src_char, char *target)
 static bool
 convert_sfm_char(const __u16 src_char, char *target)
 {
+        if (src_char >= 0xF001 && src_char <= 0xF01F) {
+                *target = src_char - 0xF000;
+                return true;
+        }
         switch (src_char) {
         case SFM_COLON:
                 *target = ':';
@@ -417,6 +421,10 @@ static __le16 convert_to_sfm_char(char src_char, bool end_of_string)
 {
         __le16 dest_char;
 
+        if (src_char >= 0x01 && src_char <= 0x1F) {
+                dest_char = cpu_to_le16(src_char + 0xF000);
+                return dest_char;
+        }
         switch (src_char) {
         case ':':
                 dest_char = cpu_to_le16(SFM_COLON);