pstore/ram: Restore ecc information block

[cascardo/linux.git] / fs / pstore / ram_core.c

diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index c6f641c..5933732 100644 (file)
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -235,6 +235,9 @@ ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz,
 {
        ssize_t ret;
 
+       if (!prz->ecc_info.ecc_size)
+               return 0;
+
        if (prz->corrected_bytes || prz->bad_blocks)
                ret = snprintf(str, len, ""
                        "\n%d Corrected bytes, %d unrecoverable blocks\n",