cifs: map NT_STATUS_ERROR_WRITE_PROTECTED to -EROFS

Seems like a more sensible mapping than -EIO.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

2 files changed, 2 insertions, 0 deletions

diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index 3489468d070b..c6721ee26dbc 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -61,6 +61,7 @@ static const struct smb_to_posix_error mapping_table_ERRDOS[] = {
         {ERRremcd, -EACCES},
         {ERRdiffdevice, -EXDEV},
         {ERRnofiles, -ENOENT},
+        {ERRwriteprot, -EROFS},
         {ERRbadshare, -ETXTBSY},
         {ERRlock, -EACCES},
         {ERRunsup, -EINVAL},
diff --git a/fs/cifs/smberr.h b/fs/cifs/smberr.h
index c5084d27db7c..7f16cb825fe5 100644
--- a/fs/cifs/smberr.h
+++ b/fs/cifs/smberr.h
@@ -76,6 +76,7 @@
 #define ERRnofiles              18      /* A File Search command can find no
                                            more files matching the specified
                                            criteria. */
+#define ERRwriteprot            19      /* media is write protected */
 #define ERRgeneral              31
 #define ERRbadshare             32      /* The sharing mode specified for an
                                            Open conflicts with existing FIDs on