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-rw-r--r--net/ipv4/ip_input.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index de8e9be4aac8..f3f1108940f5 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -113,6 +113,8 @@
* 2 of the License, or (at your option) any later version.
*/
+#define pr_fmt(fmt) "IPv4: " fmt
+
#include <asm/system.h>
#include <linux/module.h>
#include <linux/types.h>
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