1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/md/raid6algos.c b/drivers/md/raid6algos.c
index 77a6e4bf503d..21987e3dbe6c 100644
--- a/drivers/md/raid6algos.c
+++ b/drivers/md/raid6algos.c
@@ -121,7 +121,8 @@ int __init raid6_select_algo(void)
                         j0 = jiffies;
                         while ( (j1 = jiffies) == j0 )
                                 cpu_relax();
-                        while ( (jiffies-j1) < (1 << RAID6_TIME_JIFFIES_LG2) ) {
+                        while (time_before(jiffies,
+                                            j1 + (1<<RAID6_TIME_JIFFIES_LG2))) {
                                 (*algo)->gen_syndrome(disks, PAGE_SIZE, dptrs);
                                 perf++;
                         }