Merge branch 'linus' into core/iommu

2 files changed, 9 insertions, 9 deletions

diff --git a/lib/bitmap.c b/lib/bitmap.c
index 1338469ac849..35a1f7ff4149 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -948,15 +948,15 @@ done:
  */
 int bitmap_find_free_region(unsigned long *bitmap, int bits, int order)
 {
-        int pos;                /* scans bitmap by regions of size order */
+        int pos, end;           /* scans bitmap by regions of size order */
 
-        for (pos = 0; pos < bits; pos += (1 << order))
-                if (__reg_op(bitmap, pos, order, REG_OP_ISFREE))
-                        break;
-        if (pos == bits)
-                return -ENOMEM;
-        __reg_op(bitmap, pos, order, REG_OP_ALLOC);
-        return pos;
+        for (pos = 0 ; (end = pos + (1 << order)) <= bits; pos = end) {
+                if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
+                        continue;
+                __reg_op(bitmap, pos, order, REG_OP_ALLOC);
+                return pos;
+        }
+        return -ENOMEM;
 }
 EXPORT_SYMBOL(bitmap_find_free_region);
 
diff --git a/lib/idr.c b/lib/idr.c
index c11c5765cdef..dab4bca86f5d 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -449,6 +449,7 @@ void idr_remove_all(struct idr *idp)
 
         n = idp->layers * IDR_BITS;
         p = idp->top;
+        rcu_assign_pointer(idp->top, NULL);
         max = 1 << n;
 
         id = 0;
@@ -467,7 +468,6 @@ void idr_remove_all(struct idr *idp)
                         p = *--paa;
                 }
         }
-        rcu_assign_pointer(idp->top, NULL);
         idp->layers = 0;
 }
 EXPORT_SYMBOL(idr_remove_all);