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Diffstat (limited to 'drivers/s390/cio/qdio.c')
-rw-r--r--drivers/s390/cio/qdio.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index 43876e28737..445cf364e46 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -3663,11 +3663,11 @@ qdio_performance_stats_show(struct bus_type *bus, char *buf)
static ssize_t
qdio_performance_stats_store(struct bus_type *bus, const char *buf, size_t count)
{
- char *tmp;
- int i;
+ unsigned long i;
+ int ret;
- i = simple_strtoul(buf, &tmp, 16);
- if ((i == 0) || (i == 1)) {
+ ret = strict_strtoul(buf, 16, &i);
+ if (!ret && ((i == 0) || (i == 1))) {
if (i == qdio_performance_stats)
return count;
qdio_performance_stats = i;