[CIFS] Fix mknod of block and chardev over SFU mounts
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index f0586c0..d7b85df 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -210,7 +210,7 @@
int oplock = FALSE;
__u16 netfid;
struct cifsTconInfo *pTcon = cifs_sb->tcon;
- char buf[8];
+ char buf[24];
unsigned int bytes_read;
char * pbuf;
@@ -232,30 +232,43 @@
/* Read header */
rc = CIFSSMBRead(xid, pTcon,
netfid,
- 8 /* length */, 0 /* offset */,
+ 24 /* length */, 0 /* offset */,
&bytes_read, &pbuf);
- if((rc == 0) && (bytes_read == 8)) {
+ if((rc == 0) && (bytes_read >= 8)) {
if(memcmp("IntxBLK", pbuf, 8) == 0) {
cFYI(1,("Block device"));
inode->i_mode |= S_IFBLK;
+ if(bytes_read == 24) {
+ /* we have enough to decode dev num */
+ __u64 mjr; /* major */
+ __u64 mnr; /* minor */
+ mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
+ mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
+ inode->i_rdev = MKDEV(mjr, mnr);
+ }
} else if(memcmp("IntxCHR", pbuf, 8) == 0) {
cFYI(1,("Char device"));
inode->i_mode |= S_IFCHR;
+ if(bytes_read == 24) {
+ /* we have enough to decode dev num */
+ __u64 mjr; /* major */
+ __u64 mnr; /* minor */
+ mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
+ mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
+ inode->i_rdev = MKDEV(mjr, mnr);
+ }
} else if(memcmp("IntxLNK", pbuf, 7) == 0) {
cFYI(1,("Symlink"));
inode->i_mode |= S_IFLNK;
- }
+ } else {
+ inode->i_mode |= S_IFREG; /* file? */
+ rc = -EOPNOTSUPP;
+ }
} else {
inode->i_mode |= S_IFREG; /* then it is a file */
rc = -EOPNOTSUPP; /* or some unknown SFU type */
}
-
CIFSSMBClose(xid, pTcon, netfid);
-
-
- /* inode->i_rdev = MKDEV(le64_to_cpu(DevMajor),
- le64_to_cpu(DevMinor) & MINORMASK);*/
-/* inode->i_mode |= S_IFBLK; */
}
return rc;