1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index 464dd29d06c0..58141f0651f2 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -257,6 +257,7 @@ static int __init xpram_setup_sizes(unsigned long pages)
         unsigned long mem_needed;
         unsigned long mem_auto;
         unsigned long long size;
+        char *sizes_end;
         int mem_auto_no;
         int i;
 
@@ -275,8 +276,8 @@ static int __init xpram_setup_sizes(unsigned long pages)
         mem_auto_no = 0;
         for (i = 0; i < xpram_devs; i++) {
                 if (sizes[i]) {
-                        size = simple_strtoull(sizes[i], &sizes[i], 0);
-                        switch (sizes[i][0]) {
+                        size = simple_strtoull(sizes[i], &sizes_end, 0);
+                        switch (*sizes_end) {
                         case 'g':
                         case 'G':
                                 size <<= 20;