STATUS_NOT_A_REPARSE_POINT indicates that object does not have repase point
buffer attached, for example returned by FSCTL_GET_REPARSE_POINT.
Currently STATUS_NOT_A_REPARSE_POINT is translated to -EIO. Change it to
-ENODATA which better describe the situation when no reparse point is set.
Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
---
fs/smb/client/netmisc.c | 7 +++++++
fs/smb/client/nterr.c | 1 +
fs/smb/client/nterr.h | 1 +
fs/smb/client/smb2maperror.c | 2 +-
4 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/fs/smb/client/netmisc.c b/fs/smb/client/netmisc.c
index a2fb1ae14d41..0ff3ccc7a356 100644
--- a/fs/smb/client/netmisc.c
+++ b/fs/smb/client/netmisc.c
@@ -871,6 +871,13 @@ map_smb_to_linux_error(char *buf, bool logErr)
}
/* else ERRHRD class errors or junk - return EIO */
+ /* special cases for NT status codes which cannot be translated to DOS codes */
+ if (smb->Flags2 & SMBFLG2_ERR_STATUS) {
+ __u32 err = le32_to_cpu(smb->Status.CifsError);
+ if (err == (NT_STATUS_NOT_A_REPARSE_POINT))
+ rc = -ENODATA;
+ }
+
cifs_dbg(FYI, "Mapping smb error code 0x%x to POSIX err %d\n",
le32_to_cpu(smb->Status.CifsError), rc);
diff --git a/fs/smb/client/nterr.c b/fs/smb/client/nterr.c
index 358a766375b4..777431912e64 100644
--- a/fs/smb/client/nterr.c
+++ b/fs/smb/client/nterr.c
@@ -667,6 +667,7 @@ const struct nt_err_code_struct nt_errs[] = {
{"NT_STATUS_QUOTA_LIST_INCONSISTENT",
NT_STATUS_QUOTA_LIST_INCONSISTENT},
{"NT_STATUS_FILE_IS_OFFLINE", NT_STATUS_FILE_IS_OFFLINE},
+ {"NT_STATUS_NOT_A_REPARSE_POINT", NT_STATUS_NOT_A_REPARSE_POINT},
{"NT_STATUS_NO_MORE_ENTRIES", NT_STATUS_NO_MORE_ENTRIES},
{"NT_STATUS_MORE_ENTRIES", NT_STATUS_MORE_ENTRIES},
{"NT_STATUS_SOME_UNMAPPED", NT_STATUS_SOME_UNMAPPED},
diff --git a/fs/smb/client/nterr.h b/fs/smb/client/nterr.h
index edd4741cab0a..180602c22355 100644
--- a/fs/smb/client/nterr.h
+++ b/fs/smb/client/nterr.h
@@ -546,6 +546,7 @@ extern const struct nt_err_code_struct nt_errs[];
#define NT_STATUS_TOO_MANY_LINKS 0xC0000000 | 0x0265
#define NT_STATUS_QUOTA_LIST_INCONSISTENT 0xC0000000 | 0x0266
#define NT_STATUS_FILE_IS_OFFLINE 0xC0000000 | 0x0267
+#define NT_STATUS_NOT_A_REPARSE_POINT 0xC0000000 | 0x0275
#define NT_STATUS_NO_SUCH_JOB 0xC0000000 | 0xEDE /* scheduler */
#endif /* _NTERR_H */
diff --git a/fs/smb/client/smb2maperror.c b/fs/smb/client/smb2maperror.c
index 00c0bd79c074..daa56b2a2a1a 100644
--- a/fs/smb/client/smb2maperror.c
+++ b/fs/smb/client/smb2maperror.c
@@ -871,7 +871,7 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
{STATUS_VALIDATE_CONTINUE, -EIO, "STATUS_VALIDATE_CONTINUE"},
{STATUS_NO_MATCH, -EIO, "STATUS_NO_MATCH"},
{STATUS_NO_MORE_MATCHES, -EIO, "STATUS_NO_MORE_MATCHES"},
- {STATUS_NOT_A_REPARSE_POINT, -EIO, "STATUS_NOT_A_REPARSE_POINT"},
+ {STATUS_NOT_A_REPARSE_POINT, -ENODATA, "STATUS_NOT_A_REPARSE_POINT"},
{STATUS_IO_REPARSE_TAG_INVALID, -EIO, "STATUS_IO_REPARSE_TAG_INVALID"},
{STATUS_IO_REPARSE_TAG_MISMATCH, -EIO,
"STATUS_IO_REPARSE_TAG_MISMATCH"},
--
2.20.1
