1 files changed, 11 insertions, 2 deletions

diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 04451a5e3c15..ee57a42e6e93 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -340,19 +340,28 @@ size_t reipl_append_ascii_scpdata(char *dest, size_t size,
 {
         size_t count;
         size_t i;
+        int has_lowercase;
 
         count = min(size - 1, scpdata_length(ipb->ipl_info.fcp.scp_data,
                                              ipb->ipl_info.fcp.scp_data_len));
         if (!count)
                 goto out;
 
-        for (i = 0; i < count; i++)
+        has_lowercase = 0;
+        for (i = 0; i < count; i++) {
                 if (!isascii(ipb->ipl_info.fcp.scp_data[i])) {
                         count = 0;
                         goto out;
                 }
+                if (!has_lowercase && islower(ipb->ipl_info.fcp.scp_data[i]))
+                        has_lowercase = 1;
+        }
 
-        memcpy(dest, ipb->ipl_info.fcp.scp_data, count);
+        if (has_lowercase)
+                memcpy(dest, ipb->ipl_info.fcp.scp_data, count);
+        else
+                for (i = 0; i < count; i++)
+                        dest[i] = tolower(ipb->ipl_info.fcp.scp_data[i]);
 out:
         dest[count] = '\0';
         return count;