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authorNadia Derbey <[email protected]>2008-07-25 01:47:59 -0700
committerLinus Torvalds <[email protected]>2008-07-25 10:53:41 -0700
commit944ca05c7b4972f2ebf37262e0f4933d178ad6db (patch)
tree5fb7558b8247bb56b7c1781808e7eaf08e8fff4e /include/linux
parentf098ad655f4dd8e3da98ffbeda9cedcc4459c01a (diff)
idr: error checking factorization
Do some code factorization in the return code analysis. Signed-off-by: Nadia Derbey <[email protected]> Cc: "Paul E. McKenney" <[email protected]> Cc: Manfred Spraul <[email protected]> Cc: Jim Houston <[email protected]> Cc: Pierre Peiffer <[email protected]> Acked-by: Rik van Riel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/idr.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 1af61d23be36..762c3f2c631d 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -73,6 +73,12 @@ struct idr {
}
#define DEFINE_IDR(name) struct idr name = IDR_INIT(name)
+/* Actions to be taken after a call to _idr_sub_alloc */
+#define IDR_NEED_TO_GROW -2
+#define IDR_NOMORE_SPACE -3
+
+#define _idr_rc_to_errno(rc) ((rc) == -1 ? -EAGAIN : -ENOSPC)
+
/*
* This is what we export.
*/