[SPARC64]: Handle NULL type arg properly in sys32_mount().

a0711ec8 · David S. Miller · c0ddb45e · a0711ec8
Commit a0711ec8 authored Mar 23, 2004 by David S. Miller
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arch/sparc64/kernel/sys_sparc32.c arch/sparc64/kernel/sys_sparc32.c +5 -6

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--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -1481,13 +1481,12 @@ asmlinkage int sys32_mount(char *dev_name, char *dir_name, char *type, unsigned
 	if (err)
 		goto out;

-	if (!type_page) {
-		err = -EINVAL;
-		goto out;
-	}
-
+	if (type_page) {
 		is_smb = !strcmp((char *)type_page, SMBFS_NAME);
 		is_ncp = !strcmp((char *)type_page, NCPFS_NAME);
+	} else {
+		is_smb = is_ncp = 0;
+	}

 	err = copy_mount_stuff_to_kernel((const void *)AA(data), &data_page);
 	if (err)