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-rw-r--r--arch/x86_64/ia32/ptrace32.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86_64/ia32/ptrace32.c b/arch/x86_64/ia32/ptrace32.c
index 4de3a54318f4..4a233ad6269c 100644
--- a/arch/x86_64/ia32/ptrace32.c
+++ b/arch/x86_64/ia32/ptrace32.c
@@ -15,6 +15,7 @@
#include <linux/syscalls.h>
#include <linux/unistd.h>
#include <linux/mm.h>
+#include <linux/err.h>
#include <linux/ptrace.h>
#include <asm/ptrace.h>
#include <asm/compat.h>