1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 432444af7ee4..a1d3ddba99cc 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -24,6 +24,7 @@
 #include <linux/mutex.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
+#include <linux/vmalloc.h>
 
 #include <asm/ccwdev.h>
 #include <asm/ebcdic.h>
@@ -888,11 +889,11 @@ char *dasd_get_user_string(const char __user *user_buf, size_t user_len)
 {
         char *buffer;
 
-        buffer = kmalloc(user_len + 1, GFP_KERNEL);
+        buffer = vmalloc(user_len + 1);
         if (buffer == NULL)
                 return ERR_PTR(-ENOMEM);
         if (copy_from_user(buffer, user_buf, user_len) != 0) {
-                kfree(buffer);
+                vfree(buffer);
                 return ERR_PTR(-EFAULT);
         }
         /* got the string, now strip linefeed. */
@@ -930,7 +931,7 @@ static ssize_t dasd_stats_write(struct file *file,
                 dasd_profile_off(prof);
         } else
                 rc = -EINVAL;
-        kfree(buffer);
+        vfree(buffer);
         return rc;
 }
 
@@ -1042,7 +1043,7 @@ static ssize_t dasd_stats_global_write(struct file *file,
                 dasd_global_profile_level = DASD_PROFILE_OFF;
         } else
                 rc = -EINVAL;
-        kfree(buffer);
+        vfree(buffer);
         return rc;
 }