Deprecate access mode of '3' in open() as suggested by Linus.
Signed-off-by: Miklos Szeredi <[email protected]>
Index: linux/fs/open.c
===================================================================
--- linux.orig/fs/open.c 2005-08-23 13:15:49.000000000 +0200
+++ linux/fs/open.c 2005-08-23 13:16:15.000000000 +0200
@@ -756,6 +756,17 @@ struct file *filp_open(const char * file
{
int namei_flags, error;
struct nameidata nd;
+ static int warned;
+
+ /*
+ * Access mode of 3 had some old uses, that are probably not
+ * applicable anymore. For now just warn about deprecation.
+ * Later it can be changed to return -EINVAL.
+ */
+ if ((flags & O_ACCMODE) == 3 && warned < 5) {
+ warned++;
+ printk(KERN_WARNING "Warning: '%s' (pid=%i) uses deprecated open flags, please report!\n", current->comm, current->tgid);
+ }
namei_flags = flags;
if ((namei_flags+1) & O_ACCMODE)
-
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