[PATCH] Fix sparse warnings in fs/udf/*

  CHECK   fs/udf/dir.c
fs/udf/dir.c:240:13: warning: expected lvalue for member dereference
[...]
  CHECK   fs/udf/namei.c
fs/udf/namei.c:872:6: warning: expected lvalue for member dereference
fs/udf/namei.c:916:6: warning: expected lvalue for member dereference
fs/udf/namei.c:1189:14: warning: expected lvalue for member dereference
fs/udf/namei.c:1234:7: warning: expected lvalue for member dereference
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/udf/dir.c

@@ -237,7 +237,9 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
 		}
 		else
 		{
-			iblock = udf_get_lb_pblock(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation), 0);
+			lb_addr tloc = lelb_to_cpu(cfi.icb.extLocation);
+
+			iblock = udf_get_lb_pblock(dir->i_sb, tloc, 0);
 			flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
 			dt_type = DT_UNKNOWN;
 		}

fs/udf/namei.c

@@ -861,6 +861,7 @@ static int udf_rmdir(struct inode * dir, struct dentry * dentry)
 	struct inode * inode = dentry->d_inode;
 	struct udf_fileident_bh fibh;
 	struct fileIdentDesc *fi, cfi;
+	lb_addr tloc;
 
 	retval = -ENOENT;
 	lock_kernel();
@@ -869,7 +870,8 @@ static int udf_rmdir(struct inode * dir, struct dentry * dentry)
 		goto out;
 
 	retval = -EIO;
-	if (udf_get_lb_pblock(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation), 0) != inode->i_ino)
+	tloc = lelb_to_cpu(cfi.icb.extLocation);
+	if (udf_get_lb_pblock(dir->i_sb, tloc, 0) != inode->i_ino)
 		goto end_rmdir;
 	retval = -ENOTEMPTY;
 	if (!empty_dir(inode))
@@ -904,6 +906,7 @@ static int udf_unlink(struct inode * dir, struct dentry * dentry)
 	struct udf_fileident_bh fibh;
 	struct fileIdentDesc *fi;
 	struct fileIdentDesc cfi;
+	lb_addr tloc;
 
 	retval = -ENOENT;
 	lock_kernel();
@@ -912,12 +915,9 @@ static int udf_unlink(struct inode * dir, struct dentry * dentry)
 		goto out;
 
 	retval = -EIO;
-
-	if (udf_get_lb_pblock(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation), 0) !=
-		inode->i_ino)
-	{
+	tloc = lelb_to_cpu(cfi.icb.extLocation);
+	if (udf_get_lb_pblock(dir->i_sb, tloc, 0) != inode->i_ino)
 		goto end_unlink;
-	}
 
 	if (!inode->i_nlink)
 	{
@@ -1178,6 +1178,7 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
 	struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL, ocfi, ncfi;
 	struct buffer_head *dir_bh = NULL;
 	int retval = -ENOENT;
+	lb_addr tloc;
 
 	lock_kernel();
 	if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi)))
@@ -1186,11 +1187,10 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
 			udf_release_data(ofibh.ebh);
 		udf_release_data(ofibh.sbh);
 	}
-	if (!ofi || udf_get_lb_pblock(old_dir->i_sb, lelb_to_cpu(ocfi.icb.extLocation), 0) !=
-		old_inode->i_ino)
-	{
+	tloc = lelb_to_cpu(ocfi.icb.extLocation);
+	if (!ofi || udf_get_lb_pblock(old_dir->i_sb, tloc, 0)
+					!= old_inode->i_ino)
 		goto end_rename;
-	}
 
 	nfi = udf_find_entry(new_dir, new_dentry, &nfibh, &ncfi);
 	if (nfi)
@@ -1231,11 +1231,11 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
 		}
 		if (!dir_fi)
 			goto end_rename;
-		if (udf_get_lb_pblock(old_inode->i_sb, cpu_to_lelb(dir_fi->icb.extLocation), 0) !=
-			old_dir->i_ino)
-		{
+		tloc = cpu_to_lelb(dir_fi->icb.extLocation);
+		if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0)
+					!= old_dir->i_ino)
 			goto end_rename;
-		}
+
 		retval = -EMLINK;
 		if (!new_inode && new_dir->i_nlink >= (256<<sizeof(new_dir->i_nlink))-1)
 			goto end_rename;