CIFS: add misssing SFM mapping for doublequote

SFM is mapping doublequote to 0xF020

Without this patch creating files with doublequote fails to Windows/Mac

Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
CC: stable <stable@vger.kernel.org>

2 files changed, 7 insertions, 0 deletions

diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index 02b071bf3732..a0b3e7d1be48 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -83,6 +83,9 @@ convert_sfm_char(const __u16 src_char, char *target)
         case SFM_COLON:
                 *target = ':';
                 break;
+        case SFM_DOUBLEQUOTE:
+                *target = '"';
+                break;
         case SFM_ASTERISK:
                 *target = '*';
                 break;
@@ -418,6 +421,9 @@ static __le16 convert_to_sfm_char(char src_char, bool end_of_string)
         case ':':
                 dest_char = cpu_to_le16(SFM_COLON);
                 break;
+        case '"':
+                dest_char = cpu_to_le16(SFM_DOUBLEQUOTE);
+                break;
         case '*':
                 dest_char = cpu_to_le16(SFM_ASTERISK);
                 break;
diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h
index 7bfb76e60401..8a79a34e66b8 100644
--- a/fs/cifs/cifs_unicode.h
+++ b/fs/cifs/cifs_unicode.h
@@ -57,6 +57,7 @@
  * not conflict (although almost does) with the mapping above.
  */
 
+#define SFM_DOUBLEQUOTE ((__u16) 0xF020)
 #define SFM_ASTERISK    ((__u16) 0xF021)
 #define SFM_QUESTION    ((__u16) 0xF025)
 #define SFM_COLON       ((__u16) 0xF022)