IB/hfi1: fix a locking bug

mutex_trylock() returns zero on failure, not EBUSY.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/staging/rdma/hfi1/chip.c b/drivers/staging/rdma/hfi1/chip.c
index 654eafef1d30..aa58e597df06 100644
--- a/drivers/staging/rdma/hfi1/chip.c
+++ b/drivers/staging/rdma/hfi1/chip.c
@@ -2710,7 +2710,7 @@ int acquire_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
         if (sleep_ok) {
                 mutex_lock(&ppd->hls_lock);
         } else {
-                while (mutex_trylock(&ppd->hls_lock) == EBUSY)
+                while (!mutex_trylock(&ppd->hls_lock))
                         udelay(1);
         }
 
@@ -2758,7 +2758,7 @@ int release_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
         if (sleep_ok) {
                 mutex_lock(&dd->pport->hls_lock);
         } else {
-                while (mutex_trylock(&dd->pport->hls_lock) == EBUSY)
+                while (!mutex_trylock(&dd->pport->hls_lock))
                         udelay(1);
         }