6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Paulo Alcantara <pc@xxxxxxxxxxxxx>
[ Upstream commit 663f295e35594f4c2584fc68c28546b747b637cd ]
Report correct major and minor numbers from special files created with
NFS reparse points.
Signed-off-by: Paulo Alcantara (Red Hat) <pc@xxxxxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/smb/client/reparse.c | 6 +++---
fs/smb/client/reparse.h | 9 +--------
2 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c
index 7429b96a6ae5e..a4e25b99411ec 100644
--- a/fs/smb/client/reparse.c
+++ b/fs/smb/client/reparse.c
@@ -497,7 +497,7 @@ static void wsl_to_fattr(struct cifs_open_info_data *data,
else if (!strncmp(name, SMB2_WSL_XATTR_MODE, nlen))
fattr->cf_mode = (umode_t)le32_to_cpu(*(__le32 *)v);
else if (!strncmp(name, SMB2_WSL_XATTR_DEV, nlen))
- fattr->cf_rdev = wsl_mkdev(v);
+ fattr->cf_rdev = reparse_mkdev(v);
} while (next);
out:
fattr->cf_dtype = S_DT(fattr->cf_mode);
@@ -518,13 +518,13 @@ bool cifs_reparse_point_to_fattr(struct cifs_sb_info *cifs_sb,
if (le16_to_cpu(buf->ReparseDataLength) != sizeof(buf->InodeType) + 8)
return false;
fattr->cf_mode |= S_IFCHR;
- fattr->cf_rdev = reparse_nfs_mkdev(buf);
+ fattr->cf_rdev = reparse_mkdev(buf->DataBuffer);
break;
case NFS_SPECFILE_BLK:
if (le16_to_cpu(buf->ReparseDataLength) != sizeof(buf->InodeType) + 8)
return false;
fattr->cf_mode |= S_IFBLK;
- fattr->cf_rdev = reparse_nfs_mkdev(buf);
+ fattr->cf_rdev = reparse_mkdev(buf->DataBuffer);
break;
case NFS_SPECFILE_FIFO:
fattr->cf_mode |= S_IFIFO;
diff --git a/fs/smb/client/reparse.h b/fs/smb/client/reparse.h
index 2c0644bc4e65a..158e7b7aae646 100644
--- a/fs/smb/client/reparse.h
+++ b/fs/smb/client/reparse.h
@@ -18,14 +18,7 @@
*/
#define IO_REPARSE_TAG_INTERNAL ((__u32)~0U)
-static inline dev_t reparse_nfs_mkdev(struct reparse_posix_data *buf)
-{
- u64 v = le64_to_cpu(*(__le64 *)buf->DataBuffer);
-
- return MKDEV(v >> 32, v & 0xffffffff);
-}
-
-static inline dev_t wsl_mkdev(void *ptr)
+static inline dev_t reparse_mkdev(void *ptr)
{
u64 v = le64_to_cpu(*(__le64 *)ptr);
--
2.43.0
