2 files changed, 5 insertions, 5 deletions

diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h
index b0e40ff32e..9537fda238 100644
--- a/include/asm-powerpc/kprobes.h
+++ b/include/asm-powerpc/kprobes.h
@@ -65,10 +65,10 @@ typedef unsigned int kprobe_opcode_t;
                 } else if (name[0] != '.')                              \
                         addr = *(kprobe_opcode_t **)addr;               \
         } else {                                                        \
-                char dot_name[KSYM_NAME_LEN+1];                         \
+                char dot_name[KSYM_NAME_LEN];                           \
                 dot_name[0] = '.';                                      \
                 dot_name[1] = '\0';                                     \
-                strncat(dot_name, name, KSYM_NAME_LEN);                 \
+                strncat(dot_name, name, KSYM_NAME_LEN - 2);             \
                 addr = (kprobe_opcode_t *)kallsyms_lookup_name(dot_name); \
         }                                                               \
 }
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
index 5f06527dca..f73de6fb5c 100644
--- a/include/linux/kallsyms.h
+++ b/include/linux/kallsyms.h
@@ -7,9 +7,9 @@
 
 #include <linux/errno.h>
 
-#define KSYM_NAME_LEN 127
-#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + KSYM_NAME_LEN +  \
-                         2*(BITS_PER_LONG*3/10) + MODULE_NAME_LEN + 1)
+#define KSYM_NAME_LEN 128
+#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + (KSYM_NAME_LEN - 1) + \
+                         2*(BITS_PER_LONG*3/10) + (MODULE_NAME_LEN - 1) + 1)
 
 #ifdef CONFIG_KALLSYMS
 /* Lookup the address for a symbol. Returns 0 if not found. */