[PATCH v2 1/2] printk: Add a pr_warn_deprecated macro

From: Neil Horman
Date: Mon Dec 16 2013 - 12:07:31 EST


sctp has several points in its setsockopt path in which it issues deprecation
warnings. It seems like it might be handy to macrotize such a warning so other
subsystems can use it easily

Signed-off-by: Neil Horman <nhorman@xxxxxxxxxxxxx>
CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
CC: "David S. Miller" <davem@xxxxxxxxxxxxx>
CC: linux-kernel@xxxxxxxxxxxxxxx
---
include/linux/printk.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index 6949258..2e043b3 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -336,6 +336,9 @@ extern asmlinkage void dump_stack(void) __cold;
printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
/* no pr_cont_ratelimited, don't do that... */

+#define pr_warn_deprecated(fmt, ...) \
+ pr_warn_ratelimited("Deprecated: " fmt, ##__VA_ARGS__)
+
#if defined(DEBUG)
#define pr_devel_ratelimited(fmt, ...) \
printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
--
1.8.3.1

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