Merge master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [CIFS] Fix typo in earlier cifs_unlink change and protect one
  [CIFS] Incorrect signature sent on SMB Read
  [CIFS] Fix unlink oops when indirectly called in rename error path
  [CIFS] Fix two remaining coverity scan tool warnings.
  [CIFS] Set correct lock type on new posix unlock call
  [CIFS] Upate cifs change log
  [CIFS] Fix slow oplock break response when mounts to different
  [CIFS] Workaround various server bugs found in testing at connectathon
  [CIFS] Allow fallback for setting file size to Procom SMB server when
  [CIFS] Make POSIX CIFS Extensions SetFSInfo match exactly what we want
  [CIFS] Move noisy debug message (triggerred by some older servers) from
  [CIFS] Use correct pid on new cifs posix byte range lock call
  [CIFS] Add posix (advisory) byte range locking support to cifs client
  [CIFS] CIFS readdir perf optimizations part 1
  [CIFS] Free small buffers earlier so we exceed the cifs
  [CIFS] Fix large (ie over 64K for MaxCIFSBufSize) buffer case for wrapping
  [CIFS] Convert remaining places in fs/cifs from
  [CIFS] SessionSetup cleanup part 2
  [CIFS] fix compile error (typo) and warning in cifssmb.c
  [CIFS] Cleanup NTLMSSP session setup handling

1 files changed, 13 insertions, 9 deletions

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 598eec9778f..957ddd1571c 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -565,11 +565,14 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry)
 	struct cifsInodeInfo *cifsInode;
 	FILE_BASIC_INFO *pinfo_buf;
 
-	cFYI(1, ("cifs_unlink, inode = 0x%p with ", inode));
+	cFYI(1, ("cifs_unlink, inode = 0x%p", inode));
 
 	xid = GetXid();
 
-	cifs_sb = CIFS_SB(inode->i_sb);
+	if(inode)
+		cifs_sb = CIFS_SB(inode->i_sb);
+	else
+		cifs_sb = CIFS_SB(direntry->d_sb);
 	pTcon = cifs_sb->tcon;
 
 	/* Unlink can be called from rename so we can not grab the sem here
@@ -609,9 +612,8 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry)
 		}
 	} else if (rc == -EACCES) {
 		/* try only if r/o attribute set in local lookup data? */
-		pinfo_buf = kmalloc(sizeof(FILE_BASIC_INFO), GFP_KERNEL);
+		pinfo_buf = kzalloc(sizeof(FILE_BASIC_INFO), GFP_KERNEL);
 		if (pinfo_buf) {
-			memset(pinfo_buf, 0, sizeof(FILE_BASIC_INFO));
 			/* ATTRS set to normal clears r/o bit */
 			pinfo_buf->Attributes = cpu_to_le32(ATTR_NORMAL);
 			if (!(pTcon->ses->flags & CIFS_SES_NT4))
@@ -693,9 +695,11 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry)
 					   when needed */
 		direntry->d_inode->i_ctime = current_fs_time(inode->i_sb);
 	}
-	inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb);
-	cifsInode = CIFS_I(inode);
-	cifsInode->time = 0;	/* force revalidate of dir as well */
+	if(inode) {
+		inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb);
+		cifsInode = CIFS_I(inode);
+		cifsInode->time = 0;	/* force revalidate of dir as well */
+	}
 
 	kfree(full_path);
 	FreeXid(xid);
@@ -1167,7 +1171,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
 						nfid, npid, FALSE);
 			atomic_dec(&open_file->wrtPending);
 			cFYI(1,("SetFSize for attrs rc = %d", rc));
-			if(rc == -EINVAL) {
+			if((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
 				int bytes_written;
 				rc = CIFSSMBWrite(xid, pTcon,
 						  nfid, 0, attrs->ia_size,
@@ -1189,7 +1193,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
 					   cifs_sb->mnt_cifs_flags &
 						CIFS_MOUNT_MAP_SPECIAL_CHR);
 			cFYI(1, ("SetEOF by path (setattrs) rc = %d", rc));
-			if(rc == -EINVAL) {
+			if((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
 				__u16 netfid;
 				int oplock = FALSE;