powerpc/pseries/lparcfg: Fix possible overflow are more than 1026

[deliverable/linux.git] / arch / powerpc / kernel / lparcfg.c

diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index f5725bce9ed29c55583b2805749a542628977698..ab297f492c678a304d075f1595d4db6fecada721 100644 (file)
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -301,6 +301,7 @@ static void parse_system_parameter_string(struct seq_file *m)
                                __pa(rtas_data_buf),
                                RTAS_DATA_BUF_SIZE);
        memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH);
+       local_buffer[SPLPAR_MAXLENGTH - 1] = '\0';
        spin_unlock(&rtas_data_buf_lock);
 
        if (call_status != 0) {