kallsyms: make KSYM_NAME_LEN include space for trailing '\0'

[linux-block.git] / include / asm-powerpc / kprobes.h

diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h
index b0e40ff32ee02208378657196d294584b14f3c9f..9537fda238b897a8277be4be6ca76b15ef7ed260 100644 (file)
--- 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); \
        }                                                               \
 }