[PATCH] namei.h: Include errno.h

[Guenter Roeck]

Commit b9d6ba94 (vfs: add a retry_estale helper function to handle retries
on ESTALE) intruduced the use of ESTALE in namei.h. Since namei.h does not
include errno.h, this results in the following build error for callers/users
which do not include errno.h directly.

include/linux/namei.h:114:19: error: 'ESTALE' undeclared (first use in this
function)

Add the missing include.

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
 include/linux/namei.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/namei.h b/include/linux/namei.h
index e998c03..92313e4 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -4,6 +4,7 @@
 #include <linux/dcache.h>
 #include <linux/linkage.h>
 #include <linux/path.h>
+#include <linux/errno.h>
 
 struct vfsmount;
 
-- 
1.7.9.7

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