1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index 10684da33d58..61974b0296ca 100644
--- a/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -116,11 +116,16 @@ static void mthca_arbel_init_srq_context(struct mthca_dev *dev,
                                          struct mthca_srq *srq,
                                          struct mthca_arbel_srq_context *context)
 {
-        int logsize;
+        int logsize, max;
 
         memset(context, 0, sizeof *context);
 
-        logsize = ilog2(srq->max);
+        /*
+         * Put max in a temporary variable to work around gcc bug
+         * triggered by ilog2() on sparc64.
+         */
+        max = srq->max;
+        logsize = ilog2(max);
         context->state_logsize_srqn = cpu_to_be32(logsize << 24 | srq->srqn);
         context->lkey = cpu_to_be32(srq->mr.ibmr.lkey);
         context->db_index = cpu_to_be32(srq->db_index);