1 files changed, 2 insertions, 7 deletions

diff --git a/lib/bitmap.c b/lib/bitmap.c
index 36e380da00c5..a13c7f4e325a 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -159,7 +159,7 @@ void __bitmap_shift_left(unsigned long *dst, const unsigned long *src,
                         unsigned int shift, unsigned int nbits)
 {
         int k;
-        unsigned int lim = BITS_TO_LONGS(nbits), left = nbits % BITS_PER_LONG;
+        unsigned int lim = BITS_TO_LONGS(nbits);
         unsigned int off = shift/BITS_PER_LONG, rem = shift % BITS_PER_LONG;
         for (k = lim - off - 1; k >= 0; --k) {
                 unsigned long upper, lower;
@@ -172,13 +172,8 @@ void __bitmap_shift_left(unsigned long *dst, const unsigned long *src,
                         lower = src[k - 1] >> (BITS_PER_LONG - rem);
                 else
                         lower = 0;
-                upper = src[k];
-                if (left && k == lim - 1)
-                        upper &= (1UL << left) - 1;
-                upper <<= rem;
+                upper = src[k] << rem;
                 dst[k + off] = lower | upper;
-                if (left && k + off == lim - 1)
-                        dst[k + off] &= (1UL << left) - 1;
         }
         if (off)
                 memset(dst, 0, off*sizeof(unsigned long));